Hi Chris,
This is a great post!
I run your SAS code for "one version for the annual data for the entire country"
but notice that three macro variables are not resolved shown below.

Could you shed some lights here?
Thanks,
Ethan
WARNING: Apparent symbolic reference COLUMN not resolved.
WARNING: Apparent symbolic reference WEIGHT not resolved.
WARNING: Apparent symbolic reference RUN_CHISQ not resolved.