condition mean min max ZT0-3 141.5 141.5 141.5 ZT4-7 106.3 106.3 106.3 ZT8-11 154.75 154.75 154.75 ZT12-15 128.85 128.85 128.85 ZT16-19 136.1 136.1 136.1 ZT20-23 146.89999999999998 146.89999999999998 146.89999999999998