condition mean min max ZT0-3 0.030346599999999998 0.030346599999999998 0.030346599999999998 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.01910315 0.01910315 0.01910315 ZT16-19 0.03339415 0.03339415 0.03339415 ZT20-23 0.01673475 0.01673475 0.01673475