condition mean min max ZT0-3 2693.45 2693.45 2693.45 ZT4-7 3019.1 3019.1 3019.1 ZT8-11 2744.4 2744.4 2744.4 ZT12-15 2435.75 2435.75 2435.75 ZT16-19 2290.45 2290.45 2290.45 ZT20-23 2205.45 2205.45 2205.45