condition mean min max ZT0-3 92.26989999999999 92.26989999999999 92.26989999999999 ZT4-7 46.932649999999995 46.932649999999995 46.932649999999995 ZT8-11 47.05235 47.05235 47.05235 ZT12-15 59.73395 59.73395 59.73395 ZT16-19 92.892 92.892 92.892 ZT20-23 99.6406 99.6406 99.6406