condition mean min max ZT0-3 11475.0 11475.0 11475.0 ZT4-7 11569.5 11569.5 11569.5 ZT8-11 11078.599999999999 11078.599999999999 11078.599999999999 ZT12-15 12966.95 12966.95 12966.95 ZT16-19 10465.1 10465.1 10465.1 ZT20-23 10283.05 10283.05 10283.05