condition mean min max ZT0-3 5978.15 5978.15 5978.15 ZT4-7 7064.7 7064.7 7064.7 ZT8-11 5177.85 5177.85 5177.85 ZT12-15 2994.1 2994.1 2994.1 ZT16-19 2232.05 2232.05 2232.05 ZT20-23 3196.7 3196.7 3196.7