condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.011743033333333333 0.011743033333333333 0.011743033333333333 ZT8-11 0.0 0.0 0.0 ZT12-15 0.016009199999999998 0.016009199999999998 0.016009199999999998 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0