diff --git a/data/PSID/psid1968to2015.csv.gz b/data/PSID/psid1968to2015.csv.gz new file mode 100644 index 00000000..6b77d309 Binary files /dev/null and b/data/PSID/psid1968to2015.csv.gz differ diff --git a/data/PSID/psid1968to2017.csv.gz b/data/PSID/psid1968to2017.csv.gz new file mode 100644 index 00000000..3bdc1f58 Binary files /dev/null and b/data/PSID/psid1968to2017.csv.gz differ