condition mean min max ZT0-3 2792.05 2792.05 2792.05 ZT4-7 1942.1 1942.1 1942.1 ZT8-11 1728.55 1728.55 1728.55 ZT12-15 1708.0500000000002 1708.0500000000002 1708.0500000000002 ZT16-19 1573.0 1573.0 1573.0 ZT20-23 1543.0 1543.0 1543.0