condition mean min max ZT0-3 0.35021192775 0.141490796 0.5589330594999999 ZT4-7 0.57599590625 0.57051685 0.5814749625 ZT8-11 0.27984497275 0.24147580950000003 0.318214136 ZT12-15 0.39918817775 0.2921214245 0.506254931 ZT16-19 0.7262086955 0.675945818 0.776471573 ZT20-23 0.96824617525 0.942824989 0.9936673615