| 年份 | 行政区域土地面积 (平方公里) |
|---|---|
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | 506.00 |
| 2018 | 506.00 |
| 2017 | 506.40 |
| 2016 | 506.42 |
| 2015 | 506.40 |
| 2014 | 506.40 |
| 2013 | 506.40 |
| 2012 | 507.00 |
| 2011 | 511.00 |
| 2010 | 507.00 |
| 2009 | 512.00 |
| 2007 | 512.00 |
| 2006 | 512.00 |
| 2005 | 339.00 |
| 2004 | 339.00 |
| 2003 | 339.00 |
| 2002 | 339.00 |
| 2001 | 336.00 |
| 2000 | 336.00 |
