condition mean min max ZT0-3 24.995449999999998 24.995449999999998 24.995449999999998 ZT4-7 17.3449 17.3449 17.3449 ZT8-11 11.5933 11.5933 11.5933 ZT12-15 16.5828 16.5828 16.5828 ZT16-19 29.59845 29.59845 29.59845 ZT20-23 26.478099999999998 26.478099999999998 26.478099999999998