condition mean min max ZT0-3 3562.55 3562.55 3562.55 ZT4-7 2892.8 2892.8 2892.8 ZT8-11 2553.5 2553.5 2553.5 ZT12-15 2400.25 2400.25 2400.25 ZT16-19 2231.55 2231.55 2231.55 ZT20-23 2324.1 2324.1 2324.1