condition mean min max ZT0-3 22.1 22.1 22.1 ZT4-7 33.1 33.1 33.1 ZT8-11 92.10000000000001 92.10000000000001 92.10000000000001 ZT12-15 100.3 100.3 100.3 ZT16-19 88.1 88.1 88.1 ZT20-23 60.1 60.1 60.1