condition mean min max ZT0-3 0.010250166666666666 0.010250166666666666 0.010250166666666666 ZT4-7 0.0 0.0 0.0 ZT8-11 0.03943895 0.03943895 0.03943895 ZT12-15 0.053696049999999995 0.053696049999999995 0.053696049999999995 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0