... 19 90 1 50 23 9,000 12 , 317 40 9,000 12 , 317 40 11 ,000 15 ,05442.5 12 ,000 16 ,42355 14 ,500 19 ,844 10 0 15 ,200 20,802300 13 ,000 17 ,7 91 Mean 11 ,957 16 ,3642 25 35 7,500 14 , 911 50 9,000 17 ,893300 4,500 ... et al. 19 98 1 20 23 11 ,700 26,56636 9,200 20,89063 9,300 21, 117 36 9,500 21, 5 71 300 10 ,600 24,069Mean 10 ,060 22,843Guariguata et al. 19 97 1 30 16 7,700 13 ,805 16 .5 7,900 14 ,16 4 17 11 ,400 20,439300 ... 8,947300 6,000 11 ,929Mean 6,750 13 ,420Reiners et al. 19 94 1 10 5 1, 400 5,0759 1, 300 4, 712 9 1, 900 6,887 12 2 ,10 0 7, 612 12 2,200 7,975300 1, 400 5,075300 1, 700 6 ,16 2300 2,800 10 ,15 0Mean 1, 850 6,706Smith...