condition mean min max ZT0-3 0.37376000000000004 0.37376000000000004 0.37376000000000004 ZT4-7 0.0 0.0 0.0 ZT8-11 0.24474200000000002 0.24474200000000002 0.24474200000000002 ZT12-15 0.9195833333333333 0.9195833333333333 0.9195833333333333 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0