GITTER_ID_100m Unnamed: 0 a18bis29 a30bis49 a50bis64 ab65 ab65_a auslaender_a avg_age avg_household_size bev_insgesamt households_1p households_2p households_3p households_4p households_5p households_from_4p households_from_6p id nettokaltmiete unter18 unter18_a zw18_u_65 zw18_u_65_a