condition mean min max ZT0-3 0.6126625 0.6126625 0.6126625 ZT4-7 0.389984 0.389984 0.389984 ZT8-11 0.4044275 0.4044275 0.4044275 ZT12-15 0.3124085 0.3124085 0.3124085 ZT16-19 0.8027839999999999 0.8027839999999999 0.8027839999999999 ZT20-23 0.7408385 0.7408385 0.7408385