condition mean min max ZT0-3 108.2 108.2 108.2 ZT4-7 133.9 133.9 133.9 ZT8-11 130.85 130.85 130.85 ZT12-15 156.2 156.2 156.2 ZT16-19 182.89999999999998 182.89999999999998 182.89999999999998 ZT20-23 119.6 119.6 119.6