condition mean min max ZT0-3 0.009116133333333333 0.0 0.0273484 ZT4-7 0.0 0.0 0.0 ZT8-11 0.02808655 0.02808655 0.02808655 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0