condition mean min max ZT0-3 3060.95 3060.95 3060.95 ZT4-7 2090.4 2090.4 2090.4 ZT8-11 2084.25 2084.25 2084.25 ZT12-15 2403.8 2403.8 2403.8 ZT16-19 2927.9 2927.9 2927.9 ZT20-23 2584.45 2584.45 2584.45