condition mean min max ZT0-3 88.70522499999998 84.45939999999999 92.95105 ZT4-7 111.58449999999999 111.58449999999999 111.58449999999999 ZT8-11 117.1875 117.1875 117.1875 ZT12-15 0 0 0 ZT16-19 102.76615000000001 102.76615000000001 102.76615000000001 ZT20-23 94.36019999999999 94.36019999999999 94.36019999999999