condition mean min max ZT0-3 105.8055 105.8055 105.8055 ZT4-7 86.4477 86.4477 86.4477 ZT8-11 74.18385 74.18385 74.18385 ZT12-15 75.92985 75.92985 75.92985 ZT16-19 103.227 103.227 103.227 ZT20-23 97.35015 97.35015 97.35015