condition mean min max ZT0-3 82.2712 82.2712 82.2712 ZT4-7 48.1173 48.1173 48.1173 ZT8-11 39.0512 39.0512 39.0512 ZT12-15 57.996700000000004 57.996700000000004 57.996700000000004 ZT16-19 99.3944 99.3944 99.3944 ZT20-23 89.55879999999999 89.55879999999999 89.55879999999999