condition mean min max ZT0-3 64.66569999999999 61.697199999999995 67.63419999999999 ZT4-7 59.2231 59.2231 59.2231 ZT8-11 55.816900000000004 55.816900000000004 55.816900000000004 ZT12-15 0 0 0 ZT16-19 68.53444999999999 68.53444999999999 68.53444999999999 ZT20-23 66.5322 66.5322 66.5322