"serial" "age" "family" "income" "land"
"1" 1 43.3185730603434 2 2759.32675041258 "urban"
"2" 2 44.3094675315502 5 4017.90063455701 "rural"
"3" 3 49.6761249424474 1 3516.88452623785 "rural"
"4" 4 45.2115251742737 1 3840.72960540652 "urban"
"5" 5 45.3878632054828 2 1002.49909330159 "rural"
"6" 6 50.1451949606498 3 2901.26629639417 "rural"
"7" 7 46.3827486179676 4 1880.47554064542 "urban"
"8" 8 41.2048162961804 5 2519.26615089178 "urban"
"9" 9 42.9394414443194 5 3451.08401309699 "rural"
"10" 10 43.6630140897001 3 2407.19163697213 "urban"
"11" 11 48.6722453923184 1 1444.54169739038 "urban"
"12" 12 46.0794414811721 2 1974.47789087892 "urban"
"13" 13 46.2023143517822 5 3672.22234979272 "rural"
"14" 14 45.3320481478354 5 2670.58711871505 "rural"
"15" 15 43.3324765957378 4 4152.78333611786 "urban"
"16" 16 50.3607394104092 5 1411.45857702941 "rural"
"17" 17 46.4935514346877 2 2739.57096599042 "rural"
"18" 18 39.1001485301111 1 4939.82791993767 "urban"
"19" 19 47.1040677046911 1 4572.20445759594 "urban"
"20" 20 43.5816257768162 3 4545.87624315172 "urban"