condition mean min max ZT0-3 2923.2 2923.2 2923.2 ZT4-7 3101.2 3101.2 3101.2 ZT8-11 2954.8500000000004 2954.8500000000004 2954.8500000000004 ZT12-15 3161.15 3161.15 3161.15 ZT16-19 2582.3 2582.3 2582.3 ZT20-23 2311.25 2311.25 2311.25