condition mean min max ZT0-3 136.04399999999998 136.04399999999998 136.04399999999998 ZT4-7 124.451 124.451 124.451 ZT8-11 120.0685 120.0685 120.0685 ZT12-15 126.3015 126.3015 126.3015 ZT16-19 129.356 129.356 129.356 ZT20-23 135.4315 135.4315 135.4315