diff --git a/package.json b/package.json
index 1807dca6..6e3593e2 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
     "express-basic-auth": "^1.1.5",
     "express-force-https": "^1.0.0",
     "express-sitemap-xml": "^1.0.2",
-    "fast-csv": "^2.4.1",
+    "fast-csv": "^4.3.6",
     "fathom-client": "^2.0.2",
     "fs-extra": "^7.0.0",
     "gensync": "^1.0.0-beta.1",
diff --git a/yarn.lock b/yarn.lock
index 5fd8b745..72ad079d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2027,6 +2027,31 @@
   resolved "https://registry.yarnpkg.com/@emotion/weak-memoize/-/weak-memoize-0.2.4.tgz#622a72bebd1e3f48d921563b4b60a762295a81fc"
   integrity sha512-6PYY5DVdAY1ifaQW6XYTnOMihmBVT27elqSjEoodchsGjzYlEsTQMcEhSud99kVawatyTZRTiVkJ/c6lwbQ7nA==
 
+"@fast-csv/format@4.3.5":
+  version "4.3.5"
+  resolved "https://registry.yarnpkg.com/@fast-csv/format/-/format-4.3.5.tgz#90d83d1b47b6aaf67be70d6118f84f3e12ee1ff3"
+  integrity sha512-8iRn6QF3I8Ak78lNAa+Gdl5MJJBM5vRHivFtMRUWINdevNo00K7OXxS2PshawLKTejVwieIlPmK5YlLu6w4u8A==
+  dependencies:
+    "@types/node" "^14.0.1"
+    lodash.escaperegexp "^4.1.2"
+    lodash.isboolean "^3.0.3"
+    lodash.isequal "^4.5.0"
+    lodash.isfunction "^3.0.9"
+    lodash.isnil "^4.0.0"
+
+"@fast-csv/parse@4.3.6":
+  version "4.3.6"
+  resolved "https://registry.yarnpkg.com/@fast-csv/parse/-/parse-4.3.6.tgz#ee47d0640ca0291034c7aa94039a744cfb019264"
+  integrity sha512-uRsLYksqpbDmWaSmzvJcuApSEe38+6NQZBUsuAyMZKqHxH0g1wcJgsKUvN3WC8tewaqFjBMMGrkHmC+T7k8LvA==
+  dependencies:
+    "@types/node" "^14.0.1"
+    lodash.escaperegexp "^4.1.2"
+    lodash.groupby "^4.6.0"
+    lodash.isfunction "^3.0.9"
+    lodash.isnil "^4.0.0"
+    lodash.isundefined "^3.0.1"
+    lodash.uniq "^4.5.0"
+
 "@fortawesome/fontawesome-common-types@^0.1.7":
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/@fortawesome/fontawesome-common-types/-/fontawesome-common-types-0.1.7.tgz#4336c4b06d0b5608ff1215464b66fcf9f4795284"
@@ -2485,6 +2510,11 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-11.11.6.tgz#df929d1bb2eee5afdda598a41930fe50b43eaa6a"
   integrity sha512-Exw4yUWMBXM3X+8oqzJNRqZSwUAaS4+7NdvHqQuFi/d+synz++xmX3QIf+BFqneW8N31R8Ky+sikfZUXq07ggQ==
 
+"@types/node@^14.0.1":
+  version "14.14.11"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.11.tgz#fc25a4248a5e8d0837019b1d170146d07334abe0"
+  integrity sha512-BJ97wAUuU3NUiUCp44xzUFquQEvnk1wu7q4CMEUYKJWjdkr0YWYDsm4RFtAvxYsNjLsKcrFt6RvK8r+mnzMbEQ==
+
 "@types/prop-types@*":
   version "15.7.2"
   resolved "https://registry.yarnpkg.com/@types/prop-types/-/prop-types-15.7.2.tgz#0e58ae66773d7fd7c372a493aff740878ec9ceaa"
@@ -3029,14 +3059,6 @@ argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
-arguments-extended@~0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/arguments-extended/-/arguments-extended-0.0.3.tgz#6107e4917d0eb6f0a4dd66320fc15afc72ef4946"
-  integrity sha1-YQfkkX0OtvCk3WYyD8Fa/HLvSUY=
-  dependencies:
-    extended "~0.0.3"
-    is-extended "~0.0.8"
-
 aria-query@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/aria-query/-/aria-query-3.0.0.tgz#65b3fcc1ca1155a8c9ae64d6eee297f15d5133cc"
@@ -3072,15 +3094,6 @@ array-equal@^1.0.0:
   resolved "https://registry.yarnpkg.com/array-equal/-/array-equal-1.0.0.tgz#8c2a5ef2472fd9ea742b04c77a75093ba2757c93"
   integrity sha1-jCpe8kcv2ep0KwTHenUJO6J1fJM=
 
-array-extended@~0.0.3, array-extended@~0.0.4, array-extended@~0.0.5:
-  version "0.0.11"
-  resolved "https://registry.yarnpkg.com/array-extended/-/array-extended-0.0.11.tgz#d7144ae748de93ca726f121009dbff1626d164bd"
-  integrity sha1-1xRK50jek8pybxIQCdv/FibRZL0=
-  dependencies:
-    arguments-extended "~0.0.3"
-    extended "~0.0.3"
-    is-extended "~0.0.3"
-
 array-find@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/array-find/-/array-find-1.0.0.tgz#6c8e286d11ed768327f8e62ecee87353ca3e78b8"
@@ -5244,15 +5257,6 @@ data-urls@^1.0.0:
     whatwg-mimetype "^2.2.0"
     whatwg-url "^7.0.0"
 
-date-extended@~0.0.3:
-  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/date-extended/-/date-extended-0.0.6.tgz#23802d57dd1bf7818813fe0c32e851a86da267c9"
-  integrity sha1-I4AtV90b94GIE/4MMuhRqG2iZ8k=
-  dependencies:
-    array-extended "~0.0.3"
-    extended "~0.0.3"
-    is-extended "~0.0.3"
-
 dayjs@^1.7.7:
   version "1.8.5"
   resolved "https://registry.yarnpkg.com/dayjs/-/dayjs-1.8.5.tgz#0b066770f89a20022218544989f3d23e5e8db29a"
@@ -5291,11 +5295,6 @@ decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.2.0:
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
   integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
 
-declare.js@~0.0.4:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/declare.js/-/declare.js-0.0.8.tgz#0478adff9564c004f51df73d8bc134019d28dcde"
-  integrity sha1-BHit/5VkwAT1Hfc9i8E0AZ0o3N4=
-
 decode-uri-component@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
@@ -6425,20 +6424,6 @@ extend@^3.0.0, extend@^3.0.1, extend@^3.0.2, extend@~3.0.2:
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
   integrity sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==
 
-extended@0.0.6, extended@~0.0.3:
-  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/extended/-/extended-0.0.6.tgz#7fb8bf7b9dae397586e48570acfd642c78e50669"
-  integrity sha1-f7i/e52uOXWG5IVwrP1kLHjlBmk=
-  dependencies:
-    extender "~0.0.5"
-
-extender@~0.0.5:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/extender/-/extender-0.0.10.tgz#589c07482be61a1460b6d81f9c24aa67e8f324cd"
-  integrity sha1-WJwHSCvmGhRgttgfnCSqZ+jzJM0=
-  dependencies:
-    declare.js "~0.0.4"
-
 external-editor@^3.0.3:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-3.1.0.tgz#cb03f740befae03ea4d283caed2741a83f335495"
@@ -6479,15 +6464,13 @@ extsprintf@^1.2.0:
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.4.0.tgz#e2689f8f356fad62cca65a3a91c5df5f9551692f"
   integrity sha1-4mifjzVvrWLMplo6kcXfX5VRaS8=
 
-fast-csv@^2.4.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/fast-csv/-/fast-csv-2.4.1.tgz#bd7dd268391f729367b59445b8dd0ad026881b26"
-  integrity sha1-vX3SaDkfcpNntZRFuN0K0CaIGyY=
+fast-csv@^4.3.6:
+  version "4.3.6"
+  resolved "https://registry.yarnpkg.com/fast-csv/-/fast-csv-4.3.6.tgz#70349bdd8fe4d66b1130d8c91820b64a21bc4a63"
+  integrity sha512-2RNSpuwwsJGP0frGsOmTb9oUF+VkFSM4SyLTDgwf2ciHWTarN0lQTC+F2f/t5J9QjW+c65VFIAAu85GsvMIusw==
   dependencies:
-    extended "0.0.6"
-    is-extended "0.0.10"
-    object-extended "0.0.7"
-    string-extended "0.0.8"
+    "@fast-csv/format" "4.3.5"
+    "@fast-csv/parse" "4.3.6"
 
 fast-deep-equal@^2.0.1:
   version "2.0.1"
@@ -8028,13 +8011,6 @@ is-extendable@^1.0.1:
   dependencies:
     is-plain-object "^2.0.4"
 
-is-extended@0.0.10, is-extended@~0.0.3, is-extended@~0.0.8:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/is-extended/-/is-extended-0.0.10.tgz#244e140df75bb1c9a3106f412ff182fb534a6d62"
-  integrity sha1-JE4UDfdbscmjEG9BL/GC+1NKbWI=
-  dependencies:
-    extended "~0.0.3"
-
 is-extglob@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-1.0.0.tgz#ac468177c4943405a092fc8f29760c6ffc6206c0"
@@ -9203,6 +9179,11 @@ lodash.defaults@^4.0.1:
   resolved "https://registry.yarnpkg.com/lodash.defaults/-/lodash.defaults-4.2.0.tgz#d09178716ffea4dde9e5fb7b37f6f0802274580c"
   integrity sha1-0JF4cW/+pN3p5ft7N/bwgCJ0WAw=
 
+lodash.escaperegexp@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/lodash.escaperegexp/-/lodash.escaperegexp-4.1.2.tgz#64762c48618082518ac3df4ccf5d5886dae20347"
+  integrity sha1-ZHYsSGGAglGKw99Mz11YhtriA0c=
+
 lodash.filter@^4.4.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.filter/-/lodash.filter-4.6.0.tgz#668b1d4981603ae1cc5a6fa760143e480b4c4ace"
@@ -9223,6 +9204,31 @@ lodash.get@^4.4.2:
   resolved "https://registry.yarnpkg.com/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
   integrity sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk=
 
+lodash.groupby@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/lodash.groupby/-/lodash.groupby-4.6.0.tgz#0b08a1dcf68397c397855c3239783832df7403d1"
+  integrity sha1-Cwih3PaDl8OXhVwyOXg4Mt90A9E=
+
+lodash.isboolean@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/lodash.isboolean/-/lodash.isboolean-3.0.3.tgz#6c2e171db2a257cd96802fd43b01b20d5f5870f6"
+  integrity sha1-bC4XHbKiV82WgC/UOwGyDV9YcPY=
+
+lodash.isequal@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.isequal/-/lodash.isequal-4.5.0.tgz#415c4478f2bcc30120c22ce10ed3226f7d3e18e0"
+  integrity sha1-QVxEePK8wwEgwizhDtMib30+GOA=
+
+lodash.isfunction@^3.0.9:
+  version "3.0.9"
+  resolved "https://registry.yarnpkg.com/lodash.isfunction/-/lodash.isfunction-3.0.9.tgz#06de25df4db327ac931981d1bdb067e5af68d051"
+  integrity sha512-AirXNj15uRIMMPihnkInB4i3NHeb4iBtNg9WRWuK2o31S+ePwwNmDPaTL3o7dTJ+VXNZim7rFs4rxN4YU1oUJw==
+
+lodash.isnil@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/lodash.isnil/-/lodash.isnil-4.0.0.tgz#49e28cd559013458c814c5479d3c663a21bfaa6c"
+  integrity sha1-SeKM1VkBNFjIFMVHnTxmOiG/qmw=
+
 lodash.isplainobject@^4.0.6:
   version "4.0.6"
   resolved "https://registry.yarnpkg.com/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz#7c526a52d89b45c45cc690b88163be0497f550cb"
@@ -9233,6 +9239,11 @@ lodash.isstring@^4.0.1:
   resolved "https://registry.yarnpkg.com/lodash.isstring/-/lodash.isstring-4.0.1.tgz#d527dfb5456eca7cc9bb95d5daeaf88ba54a5451"
   integrity sha1-1SfftUVuynzJu5XV2ur4i6VKVFE=
 
+lodash.isundefined@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/lodash.isundefined/-/lodash.isundefined-3.0.1.tgz#23ef3d9535565203a66cefd5b830f848911afb48"
+  integrity sha1-I+89lTVWUgOmbO/VuDD4SJEa+0g=
+
 lodash.map@^4.4.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.map/-/lodash.map-4.6.0.tgz#771ec7839e3473d9c4cde28b19394c3562f4f6d3"
@@ -9303,7 +9314,7 @@ lodash.unescape@4.0.1:
   resolved "https://registry.yarnpkg.com/lodash.unescape/-/lodash.unescape-4.0.1.tgz#bf2249886ce514cda112fae9218cdc065211fc9c"
   integrity sha1-vyJJiGzlFM2hEvrpIYzcBlIR/Jw=
 
-lodash.uniq@4.5.0:
+lodash.uniq@4.5.0, lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
@@ -10426,15 +10437,6 @@ object-copy@^0.1.0:
     define-property "^0.2.5"
     kind-of "^3.0.3"
 
-object-extended@0.0.7:
-  version "0.0.7"
-  resolved "https://registry.yarnpkg.com/object-extended/-/object-extended-0.0.7.tgz#84fd23f56b15582aeb3e88b05cb55d2432d68a33"
-  integrity sha1-hP0j9WsVWCrrPoiwXLVdJDLWijM=
-  dependencies:
-    array-extended "~0.0.4"
-    extended "~0.0.3"
-    is-extended "~0.0.3"
-
 object-inspect@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.6.0.tgz#c70b6cbf72f274aab4c34c0c82f5167bf82cf15b"
@@ -13640,16 +13642,6 @@ strict-uri-encode@^2.0.0:
   resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-2.0.0.tgz#b9c7330c7042862f6b142dc274bbcc5866ce3546"
   integrity sha1-ucczDHBChi9rFC3CdLvMWGbONUY=
 
-string-extended@0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/string-extended/-/string-extended-0.0.8.tgz#741957dff487b0272a79eec5a44f239ee6f17ccd"
-  integrity sha1-dBlX3/SHsCcqee7FpE8jnubxfM0=
-  dependencies:
-    array-extended "~0.0.5"
-    date-extended "~0.0.3"
-    extended "~0.0.3"
-    is-extended "~0.0.3"
-
 string-hash@1.1.3, string-hash@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/string-hash/-/string-hash-1.1.3.tgz#e8aafc0ac1855b4666929ed7dd1275df5d6c811b"