condition mean min max ZT0-3 0.61817153875 0.5959752505 0.6403678270000001 ZT4-7 1.1863986545 0.9731170279999999 1.399680281 ZT8-11 1.614323663 1.3619270935 1.8667202325 ZT12-15 2.9337344082500003 2.0566456435 3.810823173 ZT16-19 2.60631827625 2.1501830450000003 3.0624535075 ZT20-23 4.192500152 4.1649135935 4.2200867105