condition mean min max ZT0-3 107.05 107.05 107.05 ZT4-7 60.0 60.0 60.0 ZT8-11 55.8 55.8 55.8 ZT12-15 89.1 89.1 89.1 ZT16-19 72.65 72.65 72.65 ZT20-23 94.65 94.65 94.65