_gid centroid_lat centroid_lon district_name f_06 f_ill_population f_lit_population library_count m_06 m_ill_population m_lit_population no_hh p_06 p_ill_population p_lit_population preschool_count primary_school_count school_count secondary_school_count state_name tot_f tot_m tot_p tot_work_f tot_work_m tot_work_p university_count