diff --git a/03-supplementary_data/un-deduplicated-study-counts.tsv b/03-supplementary_data/un-deduplicated-study-counts.tsv
new file mode 100644
index 0000000..815b4e1
--- /dev/null
+++ b/03-supplementary_data/un-deduplicated-study-counts.tsv
@@ -0,0 +1,10 @@
+wos_combined	1643
+Finlay2021	108
+Kumari2018	61
+Lindsay2018a	72
+Nevala2015	54
+Perez2022	131
+Pinto2021	83
+Sarker2023	151
+Schaap2018	53
+Zeinali2021	40