condition mean min max ZT0-3 7444.05 7444.05 7444.05 ZT4-7 7889.1 7889.1 7889.1 ZT8-11 7335.450000000001 7335.450000000001 7335.450000000001 ZT12-15 4619.25 4619.25 4619.25 ZT16-19 4745.3 4745.3 4745.3 ZT20-23 7086.200000000001 7086.200000000001 7086.200000000001