condition mean min max ZT0-3 118.651 118.651 118.651 ZT4-7 121.0565 121.0565 121.0565 ZT8-11 109.678 109.678 109.678 ZT12-15 90.13159999999999 90.13159999999999 90.13159999999999 ZT16-19 95.3944 95.3944 95.3944 ZT20-23 110.8355 110.8355 110.8355