condition mean min max ZT0-3 0.26008000000000003 0.0 0.78024 ZT4-7 1.5548350000000002 1.5548350000000002 1.5548350000000002 ZT8-11 0.0 0.0 0.0 ZT12-15 1.6811025000000002 0.801845 2.56036 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0