condition mean min max ZT0-3 133.0 133.0 133.0 ZT4-7 109.0 109.0 109.0 ZT8-11 103.4 103.4 103.4 ZT12-15 137.95 137.95 137.95 ZT16-19 162.35000000000002 162.35000000000002 162.35000000000002 ZT20-23 142.9 142.9 142.9