condition mean min max ZT0-3 106.398 106.398 106.398 ZT4-7 70.9904 70.9904 70.9904 ZT8-11 64.87365 64.87365 64.87365 ZT12-15 42.6552 42.6552 42.6552 ZT16-19 87.1169 87.1169 87.1169 ZT20-23 89.45095 89.45095 89.45095