condition mean min max ZT0-3 0.12152825 0.0 0.2430565 ZT4-7 0.0 0.0 0.0 ZT8-11 0.129095 0.129095 0.129095 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0 0 0