GrunnkretsBefore2002    Grunnkrets Change Before 2002
cast_geo                Cast geo granularity from API
geo_save                Save geo codes
get_change              Get geo code changes with API
get_code                Get the codes of geographical levels
get_correspond          Get geo corresponds
track_change            Track all changes for codes from API
track_merge             Get geo code that are merged after code change
track_split             Get geo code that are split after code change
