condition mean min max ZT0-3 43.95784999999999 38.620999999999995 49.2947 ZT4-7 17.2543 17.2543 17.2543 ZT8-11 7.70256 7.70256 7.70256 ZT12-15 0 0 0 ZT16-19 36.67595 36.67595 36.67595 ZT20-23 41.8313 41.8313 41.8313