_id	name	year	schoolagepop_nat	prop_urb	prop_pre	prop_pri	prop_sec	hyg_bas_nat	hyg_lim_nat	hyg_none_nat	hyg_bas_urb	hyg_lim_urb	hyg_none_urb	hyg_bas_rur	hyg_lim_rur	hyg_none_rur	hyg_bas_pre	hyg_lim_pre	hyg_none_pre	hyg_bas_pri	hyg_lim_pri	hyg_none_pri	hyg_bas_sec	hyg_lim_sec	hyg_none_sec	h_flag_nat	sl	iso3	h_flag_pre	h_flag_pri	h_flag_rur	h_flag_sec	h_flag_urb	any_data	name2	year2