condition mean min max ZT0-3 0.07366783333333334 0.0 0.14733566666666667 ZT4-7 0.042361 0.042361 0.042361 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0