condition mean min max ZT0-3 10.1014 10.1014 10.1014 ZT4-7 6.81141 6.81141 6.81141 ZT8-11 10.121179999999999 10.121179999999999 10.121179999999999 ZT12-15 8.59416 8.59416 8.59416 ZT16-19 12.624600000000001 12.624600000000001 12.624600000000001 ZT20-23 10.7522 10.7522 10.7522