| Year | Moran’s I | Z Value | P Value |
| 2011 | 0.347 | 4.008 | 0.000 |
| 2012 | 0.401 | 4.619 | 0.000 |
| 2013 | 0.378 | 4.404 | 0.000 |
| 2014 | 0.380 | 4.432 | 0.000 |
| 2015 | 0.326 | 3.856 | 0.000 |
| 2016 | 0.365 | 4.283 | 0.000 |
| 2017 | 0.374 | 4.386 | 0.000 |
| 2018 | 0.396 | 4.580 | 0.000 |