condition mean min max ZT0-3 0.27827178025000004 0.139019341 0.41752421950000007 ZT4-7 0.37177247075 0.279652791 0.4638921505 ZT8-11 0.360499151 0.24683645800000004 0.474161844 ZT12-15 0.137846563 0.1240164735 0.1516766525 ZT16-19 0.11736176875 0.114622205 0.12010133249999999 ZT20-23 0.413244623 0.2555570515 0.5709321945