condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.13022451424999998 0.09020592599999999 0.1702431025 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0388145735 0.0 0.077629147 ZT20-23 0.09308487974999999 0.0531809085 0.132988851