| Year | Moran’s I Coefficient |
|---|---|
| 1998 | 0.198919 |
| 1999 | 0.168539 |
| 2000 | 0.143164 |
| 2001 | 0.141894 |
| 2002 | 0.106928 |
| 2003 | 0.126237 |
| 2004 | 0.14066 |
| 2005 | 0.183876 |
| 2006 | 0.093537 |
| 2007 | 0.0861056 |
| 2008 | 0.0496228 |
| 2009 | 0.0978582 |
| 2010 | 0.149647 |
| 2011 | 0.1921105 |
| 2012 | 0.132255 |
| 2013 | 0.162482 |
| 2014 | 0.143247 |
| 2015 | 0.0942481 |
| 2016 | 0.247506 |
| 2017 | 0.153692 |
| 2018 | 0.132608 |