condition mean min max ZT0-3 0.01817445975 0.0 0.0363489195 ZT4-7 0.016706843333333332 0.016182838 0.017230848666666666 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0