condition mean min max ZT0-3 196.26049999999998 196.26049999999998 196.26049999999998 ZT4-7 148.86 148.86 148.86 ZT8-11 101.08755 101.08755 101.08755 ZT12-15 82.1686 82.1686 82.1686 ZT16-19 151.474 151.474 151.474 ZT20-23 192.489 192.489 192.489