condition mean min max ZT0-3 12.1838 12.1838 12.1838 ZT4-7 10.553650000000001 10.553650000000001 10.553650000000001 ZT8-11 11.16185 11.16185 11.16185 ZT12-15 10.95349 10.95349 10.95349 ZT16-19 15.6915 15.6915 15.6915 ZT20-23 12.946100000000001 12.946100000000001 12.946100000000001