condition mean min max ZT0-3 0.0060225999999999995 0.0 0.012045199999999999 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.017634466666666668 0.008298 0.026970933333333332 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0