condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0023039916833333335 0.0023039916833333335 0.0023039916833333335 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0027566782 0.0027566782 0.0027566782 ZT20-23 0.0 0.0 0.0