condition mean min max ZT0-3 14754.35 14754.35 14754.35 ZT4-7 12901.2 12901.2 12901.2 ZT8-11 14174.45 14174.45 14174.45 ZT12-15 14530.15 14530.15 14530.15 ZT16-19 15869.25 15869.25 15869.25 ZT20-23 14636.1 14636.1 14636.1