condition mean min max ZT0-3 929.05 929.05 929.05 ZT4-7 1004.1 1004.1 1004.1 ZT8-11 959.55 959.55 959.55 ZT12-15 875.1 875.1 875.1 ZT16-19 1189.55 1189.55 1189.55 ZT20-23 1519.4499999999998 1519.4499999999998 1519.4499999999998