condition mean min max ZT0-3 0.025501983333333336 0.0 0.03921815 ZT4-7 0.0342412 0.0342412 0.0342412 ZT8-11 0.03607525 0.03607525 0.03607525 ZT12-15 0.1543196 0.0391002 0.269539 ZT16-19 0.0348439 0.0348439 0.0348439 ZT20-23 0.0 0.0 0.0