| Region | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | mean |
| Beijing | 1.001 | 0.921 | 1.006 | 1.009 | 1.023 | 1.014 | 1.028 | 1.031 | 1.022 | 1.025 | 1.008 |
| Tianjin | 0.893 | 0.897 | 0.976 | 0.976 | 1.001 | 1.006 | 0.963 | 1.003 | 0.944 | 0.934 | 0.959 |
| Hebei | 0.872 | 0.834 | 0.919 | 0.907 | 0.890 | 0.886 | 0.905 | 0.885 | 0.828 | 0.877 | 0.880 |
| Shanxi | 0.785 | 0.742 | 0.812 | 0.810 | 0.801 | 0.805 | 0.795 | 0.833 | 0.825 | 0.830 | 0.804 |
| Nei Monggol | 0.837 | 0.793 | 0.796 | 0.826 | 0.837 | 0.830 | 0.833 | 1.011 | 0.803 | 0.794 | 0.836 |
| Liaoning | 0.883 | 0.862 | 0.957 | 0.941 | 1.002 | 0.918 | 0.921 | 0.918 | 0.920 | 0.905 | 0.923 |
| Jilin | 0.839 | 0.801 | 0.887 | 0.882 | 0.891 | 0.885 | 0.886 | 0.861 | 0.810 | 0.825 | 0.857 |
| Heilongjiang | 0.862 | 0.848 | 0.907 | 0.894 | 0.895 | 0.878 | 0.885 | 0.871 | 0.850 | 0.841 | 0.873 |
| Shanghai | 0.891 | 0.849 | 0.897 | 0.930 | 0.908 | 0.923 | 0.945 | 1.000 | 0.901 | 0.871 | 0.911 |
| Jiangsu | 0.891 | 0.842 | 0.959 | 0.943 | 0.943 | 0.943 | 0.909 | 0.914 | 0.868 | 0.875 | 0.909 |
| Zhejiang | 1.021 | 0.900 | 1.010 | 0.969 | 0.983 | 1.008 | 0.942 | 1.005 | 0.930 | 0.973 | 0.974 |
| Anhui | 0.898 | 0.924 | 1.016 | 1.006 | 1.002 | 0.994 | 1.007 | 1.030 | 1.061 | 0.892 | 0.983 |
| Fujian | 0.840 | 0.792 | 0.833 | 0.827 | 0.817 | 0.818 | 0.819 | 0.802 | 0.805 | 0.808 | 0.816 |
| Jiangxi | 0.858 | 0.857 | 0.884 | 0.894 | 0.918 | 0.868 | 0.876 | 0.895 | 0.884 | 1.012 | 0.895 |
| Shandong | 0.973 | 0.888 | 1.001 | 1.009 | 0.995 | 1.001 | 0.945 | 0.961 | 0.850 | 0.870 | 0.949 |
| Henan | 0.905 | 0.845 | 0.939 | 0.916 | 0.917 | 0.935 | 0.890 | 0.883 | 0.826 | 0.843 | 0.890 |
| Hubei | 0.823 | 0.787 | 0.859 | 0.869 | 0.863 | 0.863 | 0.869 | 0.871 | 0.863 | 0.897 | 0.856 |
| Hunan | 0.821 | 0.805 | 0.864 | 0.881 | 0.902 | 0.884 | 0.898 | 0.911 | 0.869 | 0.912 | 0.875 |
| Guangdong | 0.908 | 0.880 | 0.910 | 0.917 | 0.891 | 0.866 | 0.869 | 0.871 | 0.854 | 0.859 | 0.882 |
| Guangxi | 0.865 | 0.932 | 0.877 | 1.000 | 1.003 | 1.006 | 1.000 | 0.949 | 0.813 | 0.888 | 0.933 |
| Hainan | 1.028 | 1.043 | 1.033 | 1.025 | 1.017 | 1.023 | 1.016 | 1.011 | 1.061 | 1.083 | 1.034 |
| Chongqing | 0.837 | 0.818 | 0.909 | 0.895 | 0.905 | 0.930 | 0.907 | 0.887 | 0.879 | 0.886 | 0.885 |
| Sichuan | 0.840 | 0.808 | 0.860 | 0.846 | 0.840 | 0.853 | 0.844 | 0.834 | 0.813 | 0.815 | 0.835 |
| Guizhou | 1.015 | 1.009 | 1.001 | 0.934 | 0.995 | 0.992 | 1.007 | 1.003 | 0.921 | 1.002 | 0.988 |
| Yunnan | 0.966 | 0.927 | 1.004 | 1.005 | 1.004 | 0.987 | 0.999 | 0.882 | 0.915 | 1.002 | 0.969 |
| Shaanxi | 0.963 | 1.044 | 0.987 | 0.976 | 0.980 | 0.960 | 0.959 | 1.000 | 1.003 | 1.003 | 0.988 |
| Gansu | 0.893 | 0.852 | 0.965 | 0.902 | 1.000 | 0.963 | 0.900 | 0.942 | 0.898 | 0.896 | 0.921 |
| Qinghai | 1.003 | 1.010 | 1.009 | 1.013 | 1.006 | 1.008 | 1.005 | 0.858 | 0.817 | 0.836 | 0.956 |
| Ningxia | 1.002 | 1.016 | 1.047 | 1.103 | 1.058 | 1.006 | 1.195 | 0.836 | 1.010 | 1.082 | 1.036 |
| Xinjiang | 0.745 | 0.779 | 0.815 | 0.840 | 0.783 | 0.794 | 0.769 | 0.755 | 0.771 | 0.756 | 0.781 |
| Eastern region | 0.927 | 0.882 | 0.955 | 0.950 | 0.952 | 0.946 | 0.933 | 0.946 | 0.907 | 0.916 | 0.931 |
| Central region | 0.849 | 0.826 | 0.896 | 0.894 | 0.899 | 0.889 | 0.888 | 0.894 | 0.874 | 0.882 | 0.879 |
| Western region | 0.913 | 0.907 | 0.950 | 0.942 | 0.947 | 0.939 | 0.946 | 0.894 | 0.892 | 0.916 | 0.924 |
| mean | 0.899 | 0.877 | 0.931 | 0.931 | 0.936 | 0.928 | 0.926 | 0.917 | 0.887 | 0.903 | 0.914 |