condition mean min max ZT0-3 122.646 122.646 122.646 ZT4-7 94.5797 94.5797 94.5797 ZT8-11 84.1087 84.1087 84.1087 ZT12-15 91.93325 91.93325 91.93325 ZT16-19 128.3915 128.3915 128.3915 ZT20-23 130.928 130.928 130.928