condition mean min max ZT0-3 1059.55 1059.55 1059.55 ZT4-7 803.1 803.1 803.1 ZT8-11 751.15 751.15 751.15 ZT12-15 894.0 894.0 894.0 ZT16-19 1217.4 1217.4 1217.4 ZT20-23 1403.35 1403.35 1403.35