condition mean min max ZT0-3 2093.05 2093.05 2093.05 ZT4-7 1188.0 1188.0 1188.0 ZT8-11 1023.7 1023.7 1023.7 ZT12-15 1109.2 1109.2 1109.2 ZT16-19 1615.6 1615.6 1615.6 ZT20-23 1832.9 1832.9 1832.9