condition mean min max ZT0-3 10116.45 10116.45 10116.45 ZT4-7 9789.2 9789.2 9789.2 ZT8-11 9597.349999999999 9597.349999999999 9597.349999999999 ZT12-15 10243.599999999999 10243.599999999999 10243.599999999999 ZT16-19 11151.7 11151.7 11151.7 ZT20-23 10557.2 10557.2 10557.2