condition mean min max ZT0-3 1.79075 1.79075 1.79075 ZT4-7 2.492315 2.492315 2.492315 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 1.080205 1.080205 1.080205