condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.022116800000000002 0.022116800000000002 0.022116800000000002 ZT8-11 0.0 0.0 0.0 ZT12-15 0.01197545 0.0 0.0239509 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0