| 年份 | 行政区域土地面积 (平方公里) |
|---|---|
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | 506.00 |
| 2014 | 506.00 |
| 2013 | 506.00 |
| 2012 | 506.00 |
| 2011 | 506.00 |
| 2010 | 507.00 |
| 2009 | 507.00 |
| 2008 | 507.00 |
| 2007 | 507.00 |
| 2006 | 506.60 |
| 2005 | 170.00 |
| 2004 | 170.00 |
| 2003 | 170.00 |
| 2002 | 170.00 |
| 2001 | 170.00 |
| 2000 | 170.00 |
| 1999 | 170.00 |
