Usage
load_variables(
year,
dataset = c("sf1", "sf2", "sf3", "sf4", "pl", "as", "gu", "mp", "vi", "acsse", "dpas",
"dpgu", "dpmp", "dpvi", "acs1", "acs3", "acs5", "acs1/profile", "acs3/profile",
"acs5/profile", "acs1/subject", "acs3/subject", "acs5/subject", "acs1/cprofile",
"acs5/cprofile"),
cache = FALSE
)