condition mean min max ZT0-3 0.03477271825 0.031218006 0.038327430499999995 ZT4-7 0.008446499 0.006644533500000001 0.0102484645 ZT8-11 1.0023668625 0.1079464815 1.8967872435 ZT12-15 5.20159973775 3.6073495445 6.795849931 ZT16-19 2.3569833774999998 1.830527618 2.883439137 ZT20-23 0.5867995140000001 0.463733004 0.7098660240000001