condition mean min max ZT0-3 65.45 65.45 65.45 ZT4-7 46.5 46.5 46.5 ZT8-11 215.2 215.2 215.2 ZT12-15 786.05 786.05 786.05 ZT16-19 804.3 804.3 804.3 ZT20-23 216.85 216.85 216.85