$geoId _gid catchment_type centroid_lat centroid_lon departure_time district_name drive_time f_06 f_ill_population f_lit_population hospital_count latitude longitude m_06 m_ill_population m_lit_population no_hh p_06 p_ill_population p_lit_population restaurant_count school_count shopping_mall_count state_name tot_f tot_m tot_p tot_work_f tot_work_m tot_work_p university_count