condition mean min max ZT0-3 458.4005 458.4005 458.4005 ZT4-7 1356.97 1356.97 1356.97 ZT8-11 2691.535 2691.535 2691.535 ZT12-15 2667.8149999999996 2667.8149999999996 2667.8149999999996 ZT16-19 1288.125 1288.125 1288.125 ZT20-23 404.53 404.53 404.53