condition mean min max ZT0-3 117.5285 117.5285 117.5285 ZT4-7 62.9209 62.9209 62.9209 ZT8-11 65.548 65.548 65.548 ZT12-15 83.4277 83.4277 83.4277 ZT16-19 137.57150000000001 137.57150000000001 137.57150000000001 ZT20-23 161.06099999999998 161.06099999999998 161.06099999999998