| 年份 | Global Moran’s I | Z值 | P值 |
| 2000 | 0.379 | 3.95 | 0.003 |
| 2001 | 0.381 | 3.96 | 0.003 |
| 2002 | 0.388 | 4.00 | 0.003 |
| 2003 | 0.412 | 4.15 | 0.003 |
| 2004 | 0.42 | 4.20 | 0.003 |
| 2005 | 0.437 | 4.29 | 0.003 |
| 2006 | 0.444 | 4.32 | 0.003 |
| 2007 | 0.44 | 4.21 | 0.003 |
| 2008 | 0.447 | 4.17 | 0.003 |
| 2009 | 0.448 | 4.15 | 0.002 |
| 2010 | 0.457 | 4.20 | 0.001 |
| 2011 | 0.452 | 4.14 | 0.001 |
| 2012 | 0.439 | 4.02 | 0.001 |
| 2013 | 0.429 | 3.95 | 0.001 |
| 2014 | 0.412 | 3.82 | 0.001 |
| 2015 | 0.412 | 3.85 | 0.002 |
| 2016 | 0.425 | 3.99 | 0.002 |