condition mean min max ZT0-3 136.55 136.55 136.55 ZT4-7 147.6 147.6 147.6 ZT8-11 113.1 113.1 113.1 ZT12-15 111.15 111.15 111.15 ZT16-19 112.9 112.9 112.9 ZT20-23 99.19999999999999 99.19999999999999 99.19999999999999