condition mean min max ZT0-3 0.0038297856193333334 0.0 0.01148915 ZT4-7 0.000232796 0.000232796 0.000232796 ZT8-11 1.9209892215 1.9209892215 1.9209892215 ZT12-15 6.698137025 0.83209905 12.564175 ZT16-19 1.55927 1.55927 1.55927 ZT20-23 3.794909585 3.794909585 3.794909585