diff --git a/dev/bench/data.js b/dev/bench/data.js
index 8460687..73d0cd7 100644
--- a/dev/bench/data.js
+++ b/dev/bench/data.js
@@ -1,5 +1,5 @@
 window.BENCHMARK_DATA = {
-  "lastUpdate": 1718277377066,
+  "lastUpdate": 1718277379702,
   "repoUrl": "https://github.com/ixc/python-edtf",
   "entries": {
     "Benchmark": [
@@ -8182,6 +8182,180 @@ window.BENCHMARK_DATA = {
             "extra": "mean: 8.237263422764626 msec\nrounds: 123"
           }
         ]
+      },
+      {
+        "commit": {
+          "author": {
+            "name": "ixc",
+            "username": "ixc"
+          },
+          "committer": {
+            "name": "ixc",
+            "username": "ixc"
+          },
+          "id": "952949156289cb1da8b1a9af59f32687cbdada8e",
+          "message": "Anticipate None for date_display #62",
+          "timestamp": "2024-05-27T15:20:37Z",
+          "url": "https://github.com/ixc/python-edtf/pull/63/commits/952949156289cb1da8b1a9af59f32687cbdada8e"
+        },
+        "date": 1718277378887,
+        "tool": "pytest",
+        "benches": [
+          {
+            "name": "edtf/natlang/tests.py::test_benchmark_natlang[23rd Dynasty-None]",
+            "value": 80118.78135432093,
+            "unit": "iter/sec",
+            "range": "stddev: 6.909850294254891e-7",
+            "extra": "mean: 12.481467929193213 usec\nrounds: 2323"
+          },
+          {
+            "name": "edtf/natlang/tests.py::test_benchmark_natlang[January 2008-2008-01]",
+            "value": 8616.196215886079,
+            "unit": "iter/sec",
+            "range": "stddev: 0.0000052580069319717",
+            "extra": "mean: 116.06049525151874 usec\nrounds: 737"
+          },
+          {
+            "name": "edtf/natlang/tests.py::test_benchmark_natlang[ca1860-1860~]",
+            "value": 10671.613842246865,
+            "unit": "iter/sec",
+            "range": "stddev: 0.000005614377629517409",
+            "extra": "mean: 93.70653912168304 usec\nrounds: 7106"
+          },
+          {
+            "name": "edtf/natlang/tests.py::test_benchmark_natlang[uncertain: approx 1862-1862%]",
+            "value": 6478.103301691718,
+            "unit": "iter/sec",
+            "range": "stddev: 0.00006664113789053272",
+            "extra": "mean: 154.36617068746895 usec\nrounds: 4974"
+          },
+          {
+            "name": "edtf/natlang/tests.py::test_benchmark_natlang[January-XXXX-01]",
+            "value": 12609.185547706364,
+            "unit": "iter/sec",
+            "range": "stddev: 0.0000071467039900521145",
+            "extra": "mean: 79.30726344033394 usec\nrounds: 8389"
+          },
+          {
+            "name": "edtf/natlang/tests.py::test_benchmark_natlang[Winter 1872-1872-24]",
+            "value": 8806.877363488235,
+            "unit": "iter/sec",
+            "range": "stddev: 0.000011670390320862513",
+            "extra": "mean: 113.54762405865038 usec\nrounds: 5711"
+          },
+          {
+            "name": "edtf/natlang/tests.py::test_benchmark_natlang[before approx January 18 1928-/1928-01-18~]",
+            "value": 5655.159197572556,
+            "unit": "iter/sec",
+            "range": "stddev: 0.00001033281205561833",
+            "extra": "mean: 176.829681546232 usec\nrounds: 4346"
+          },
+          {
+            "name": "edtf/natlang/tests.py::test_benchmark_natlang[birthday in 1872-1872]",
+            "value": 7623.314863780411,
+            "unit": "iter/sec",
+            "range": "stddev: 0.000006316955732641022",
+            "extra": "mean: 131.1765311900155 usec\nrounds: 5194"
+          },
+          {
+            "name": "edtf/natlang/tests.py::test_benchmark_natlang[1270 CE-1270]",
+            "value": 48898.066757585075,
+            "unit": "iter/sec",
+            "range": "stddev: 0.0000012388055012021686",
+            "extra": "mean: 20.45070626120162 usec\nrounds: 2795"
+          },
+          {
+            "name": "edtf/natlang/tests.py::test_benchmark_natlang[2nd century bce--01XX]",
+            "value": 42268.908239167424,
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+            "extra": "mean: 23.658051311421737 usec\nrounds: 1754"
+          },
+          {
+            "name": "edtf/natlang/tests.py::test_benchmark_natlang[1858/1860-[1858, 1860]]",
+            "value": 23612.79079423059,
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+          {
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+            "value": 116.23388928359267,
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+            "extra": "mean: 8.603342847456089 msec\nrounds: 118"
+          }
+        ]
       }
     ]
   }