condition mean min max ZT0-3 117.6495 107.143 128.156 ZT4-7 263.5365 263.5365 263.5365 ZT8-11 140.385 140.385 140.385 ZT12-15 0 0 0 ZT16-19 156.18 156.18 156.18 ZT20-23 181.72449999999998 181.72449999999998 181.72449999999998