Take into account that some geographies changed their name and/or boundaries through the years and these new names do not match the puma cross reference that are being used.
There is a support file that has the old and new geographies for each year. Then, there is an iteration through the years to add new records to the cross reference table.
Take into account that some geographies changed their name and/or boundaries through the years and these new names do not match the puma cross reference that are being used. There is a support file that has the old and new geographies for each year. Then, there is an iteration through the years to add new records to the cross reference table.