| 年份 | 行政区域面积(平方公里 |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | 点击查看 |
| 2020 | 点击查看 |
| 2019 | 点击查看 |
| 2018 | 2728 |
| 2017 | 2728 |
| 2016 | 2728 |
| 2015 | 2728 |
| 2014 | 2240 |
| 2013 | 2728 |
| 2012 | 2728 |
| 2011 | 2354 |
| 2010 | 2354 |
| 2009 | 2332 |
| 2008 | 2332 |
| 2007 | 781 |
| 2006 | 781 |
| 2005 | 781 |
| 2004 | 772 |
| 2003 | 781 |
| 2002 | 781 |
| 2001 | 781 |
| 2000 | 781 |
| 1999 | 781 |
