condition mean min max ZT0-3 0.080848375 0.04091035 0.1207864 ZT4-7 0.1613415 0.1613415 0.1613415 ZT8-11 0.40708449999999996 0.40708449999999996 0.40708449999999996 ZT12-15 0 0 0 ZT16-19 0.04017915 0.04017915 0.04017915 ZT20-23 0.08425035 0.08425035 0.08425035