diff --git a/benchmark/data/2016-04-21.json b/benchmark/data/2016-04-21.json
new file mode 100644
index 000000000..4b32c89bb
--- /dev/null
+++ b/benchmark/data/2016-04-21.json
@@ -0,0 +1,174 @@
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+}
\ No newline at end of file