condition mean min max ZT0-3 130.1 130.1 130.1 ZT4-7 101.7 101.7 101.7 ZT8-11 66.94999999999999 66.94999999999999 66.94999999999999 ZT12-15 75.15 75.15 75.15 ZT16-19 113.7 113.7 113.7 ZT20-23 120.55000000000001 120.55000000000001 120.55000000000001