condition mean min max ZT0-3 0.008615683333333334 0.0 0.017231366666666668 ZT4-7 0.0 0.0 0.0 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 0.0466462 0.0466462 0.0466462