condition mean min max ZT0-3 0.12541683333333334 0.0 0.3762505 ZT4-7 0.0 0.0 0.0 ZT8-11 0.73279 0.73279 0.73279 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0