| 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 | 
| 2020 | 点击查看 | 
| 2019 | 834 | 
| 2019 | |
| 2018 | 834 | 
| 2018 | |
| 2017 | 834 | 
| 2017 | |
| 2016 | 834 | 
| 2016 | |
| 2015 | 834 | 
| 2015 | |
| 2014 | 834 | 
| 2014 | |
| 2013 | 834 | 
| 2013 | 40 | 
| 2012 | 834 | 
| 2012 | 834 | 
| 2011 | 834 | 
| 2011 | 834 | 
| 2010 | 728 | 
| 2010 | 40 | 
| 2009 | 728 | 
| 2009 | 40 | 
| 2008 | 728 | 
| 2008 | 40 | 
| 2007 | 728 | 
| 2007 | 40 | 
| 2006 | 728 | 
| 2006 | 40 | 
| 2005 | 728 | 
| 2005 | 40 | 
| 2004 | 728 | 
| 2004 | |
| 2003 | 728 | 
| 2003 | |
| 2002 | 728 | 
| 2002 | |
| 2001 | 728 | 
| 2001 | |
| 2000 | 728 | 
| 2000 | |
| 1999 | 
