condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.17863303075 0.0 0.3572660615 ZT16-19 0.046064293 0.0 0.092128586 ZT20-23 0.0 0.0 0.0