| Year | Moran’s I | E(I) | sd(I) | Z | P-value |
| 2002 | 0.3020 | −0.0345 | 0.1125 | 3.0100 | 0.005 |
| 2003 | 0.3264 | −0.0345 | 0.1109 | 3.2302 | 0.005 |
| 2004 | 0.3308 | −0.0345 | 0.1182 | 3.1007 | 0.007 |
| 2005 | 0.3455 | −0.0345 | 0.1121 | 3.3568 | 0.005 |
| 2006 | 0.2950 | −0.0345 | 0.1103 | 3.0110 | 0.005 |
| 2007 | 0.3471 | −0.0345 | 0.1144 | 3.3090 | 0.003 |
| 2008 | 0.2965 | −0.0345 | 0.1087 | 3.0490 | 0.007 |
| 2009 | 0.3257 | −0.0345 | 0.1121 | 3.2084 | 0.005 |
| 2010 | 0.3257 | −0.0345 | 0.1195 | 2.9932 | 0.005 |
| 2011 | 0.3269 | −0.0345 | 0.1139 | 3.1601 | 0.006 |
| 2012 | 0.3282 | −0.0345 | 0.1073 | 3.3717 | 0.006 |
| 2013 | 0.3058 | −0.0345 | 0.1100 | 3.0890 | 0.007 |
| 2014 | 0.3175 | −0.0345 | 0.1054 | 3.3515 | 0.008 |