condition mean min max ZT0-3 0.35789443775 0.0 0.7157888755 ZT4-7 0.16354845299999998 0.12865723499999998 0.198439671 ZT8-11 0.11894223374999999 0.041648576 0.19623589149999998 ZT12-15 0.01944612725 0.0 0.0388922545 ZT16-19 0.06616492674999999 0.0 0.13232985349999998 ZT20-23 0.0132252895 0.0 0.026450579