Table 2:
Moran’s I index
| Year | W1 | W2 | W3 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| I | z | p | I | z | p | I | z | p | |
| 2005 | 0.280 | 3.011 | 0.001 | 0.223 | 2.002 | 0.023 | 0.228 | 1.375 | 0.085 |
| 2006 | 0.275 | 2.957 | 0.002 | 0.217 | 1.954 | 0.025 | 0.221 | 1.338 | 0.090 |
| 2007 | 0.275 | 2.962 | 0.002 | 0.214 | 1.936 | 0.026 | 0.216 | 1.314 | 0.094 |
| 2008 | 0.274 | 2.960 | 0.002 | 0.214 | 1.939 | 0.026 | 0.215 | 1.311 | 0.095 |
| 2009 | 0.280 | 3.015 | 0.001 | 0.217 | 1.959 | 0.025 | 0.218 | 1.322 | 0.093 |
| 2010 | 0.278 | 3.009 | 0.001 | 0.217 | 1.965 | 0.025 | 0.216 | 1.318 | 0.094 |
| 2011 | 0.276 | 2.993 | 0.001 | 0.214 | 1.949 | 0.026 | 0.210 | 1.289 | 0.099 |
| 2012 | 0.270 | 2.941 | 0.002 | 0.210 | 1.921 | 0.027 | 0.204 | 1.260 | 0.104 |
| 2013 | 0.268 | 2.918 | 0.002 | 0.209 | 1.910 | 0.028 | 0.204 | 1.255 | 0.105 |
| 2014 | 0.269 | 2.925 | 0.002 | 0.209 | 1.908 | 0.028 | 0.204 | 1.256 | 0.104 |
| 2015 | 0.282 | 3.039 | 0.001 | 0.216 | 1.961 | 0.025 | 0.211 | 1.290 | 0.099 |
| 2016 | 0.297 | 3.180 | 0.001 | 0.229 | 2.061 | 0.020 | 0.227 | 1.371 | 0.085 |
| 2017 | 0.270 | 2.654 | 0.004 | 0.240 | 2.140 | 0.016 | 0.233 | 1.399 | 0.081 |
Notes: W1 is the 0–1 spatial weight; W2 is the spatial weight of geographical distance; and W3 is the spatial weight of economic distance, hereinafter the same.