condition mean min max ZT0-3 2320.05 2320.05 2320.05 ZT4-7 2049.6 2049.6 2049.6 ZT8-11 2050.9 2050.9 2050.9 ZT12-15 1939.4 1939.4 1939.4 ZT16-19 2616.05 2616.05 2616.05 ZT20-23 3160.65 3160.65 3160.65