condition mean min max ZT0-3 113.55 113.55 113.55 ZT4-7 160.6 160.6 160.6 ZT8-11 112.44999999999999 112.44999999999999 112.44999999999999 ZT12-15 120.35 120.35 120.35 ZT16-19 137.3 137.3 137.3 ZT20-23 192.35 192.35 192.35