See which ballots (if any) a question appeared on across GSS years
gss_which_ballots(question)
A gss variable name (in lower case).
A tibble with the name of the variable and the ballot information.
What ballots did a particular question appear on in each GSS year?
Columns returned are - `variable` Variable name - `year` GSS year - `iap` Numbers in this column mean the question wasn't asked _or_ the ballot system was not in use. - `ballot a`, `ballot b`, etc: Count of the n respondents on each ballot for a particular year.
if (FALSE) {
gss_which_ballots(fefam)
}