diff --git a/audit_report_aggregation/audit_aggregation.csv b/audit_report_aggregation/audit_aggregation.csv
new file mode 100644
index 0000000..13a1e4b
--- /dev/null
+++ b/audit_report_aggregation/audit_aggregation.csv
@@ -0,0 +1,3 @@
+stratum,count,pass_rate,warn_rate,fail_rate,unknown_rate,unknown_breakdown,rerun_metric_helps,rerun_metric_shifts,rerun_metric_hurts
+pinned,0,0,0,0,0,unknown_breakdown_1,0,0,0
+unpinned,1,1,1,1,1,unknown_breakdown_2,1,1,1
\ No newline at end of file