condition mean min max ZT0-3 1929.25 1929.25 1929.25 ZT4-7 1852.7 1852.7 1852.7 ZT8-11 1685.05 1685.05 1685.05 ZT12-15 1153.05 1153.05 1153.05 ZT16-19 1046.25 1046.25 1046.25 ZT20-23 1290.6 1290.6 1290.6