condition mean min max ZT0-3 0.42459800000000003 0.3663805 0.4828155 ZT4-7 0.30688550000000003 0.30688550000000003 0.30688550000000003 ZT8-11 0.062122 0.062122 0.062122 ZT12-15 0 0 0 ZT16-19 0.5401385000000001 0.5401385000000001 0.5401385000000001 ZT20-23 0.7840214999999999 0.7840214999999999 0.7840214999999999