condition mean min max ZT0-3 0.026117245758833334 3.33501e-07 0.0783508132605 ZT4-7 0.0354493 0.0354493 0.0354493 ZT8-11 0.0748785949 0.0748785949 0.0748785949 ZT12-15 0.09898775 0.0 0.1979755 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0