condition mean min max ZT0-3 8283.85 8283.85 8283.85 ZT4-7 8997.8 8997.8 8997.8 ZT8-11 9370.15 9370.15 9370.15 ZT12-15 7985.95 7985.95 7985.95 ZT16-19 9179.0 9179.0 9179.0 ZT20-23 9410.55 9410.55 9410.55