condition mean min max ZT0-3 0.30678745325 0.0 0.6135749065 ZT4-7 0.11612962516666665 0.0 0.2322592503333333 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0