"hist" "treat"
"1" 67.6 1
"2" 39.6 1
"3" 1651 1
"4" 100 1
"5" 65.9 1
"6" 1112 1
"7" 31 1
"8" 102.4 1
"9" 64.7 1
"10" 34.3 2
"11" 27.3 2
"12" 35.4 2
"13" 48.1 2
"14" 5.2 2
"15" 29.1 2
"16" 4.7 2
"17" 41.7 2
"18" 48 2
"19" 6.6 2
"20" 18.9 2
"21" 32.4 2
"22" 45.5 2