condition mean min max ZT0-3 106.0085 101.4505 110.5665 ZT4-7 86.44055 86.44055 86.44055 ZT8-11 89.85055 89.85055 89.85055 ZT12-15 0 0 0 ZT16-19 86.21504999999999 86.21504999999999 86.21504999999999 ZT20-23 115.348 115.348 115.348