condition mean min max ZT0-3 1023.851 895.377 1152.325 ZT4-7 793.0565 793.0565 793.0565 ZT8-11 562.1205 562.1205 562.1205 ZT12-15 0 0 0 ZT16-19 679.2645 679.2645 679.2645 ZT20-23 763.6034999999999 763.6034999999999 763.6034999999999