condition mean min max ZT0-3 0.09813705325 0.0541516555 0.14212245099999998 ZT4-7 0.10223249875 0.085739896 0.1187251015 ZT8-11 0.0724890795 0.0655829005 0.0793952585 ZT12-15 0.7779145595000001 0.4299107955 1.1259183235 ZT16-19 1.5654708425 1.49696675 1.633974935 ZT20-23 2.1596068007499998 1.928141822 2.3910717795