condition mean min max ZT0-3 114.689 112.06649999999999 117.3115 ZT4-7 128.1525 128.1525 128.1525 ZT8-11 98.79095000000001 98.79095000000001 98.79095000000001 ZT12-15 0 0 0 ZT16-19 104.6985 104.6985 104.6985 ZT20-23 122.993 122.993 122.993