condition mean min max ZT0-3 0.10984156775000001 0.09236584800000001 0.1273172875 ZT4-7 0.25420791 0.2286012365 0.2798145835 ZT8-11 0.5866517775 0.3100317875 0.8632717675 ZT12-15 6.18993230075 3.448830557 8.9310340445 ZT16-19 10.963783456249999 10.2097378075 11.717829105 ZT20-23 10.838246085249999 9.744687535499999 11.931804634999999