| 年份 | 行政区域土地面积 (万平方千米) |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | 0.49 |
| 2014 | 0.49 |
| 2013 | 0.49 |
| 2012 | 0.49 |
| 2011 | 0.50 |
| 2010 | 0.50 |
| 2009 | 0.50 |
| 2008 | 0.50 |
| 2007 | 0.50 |
| 2006 | 0.50 |
| 2005 | 0.50 |
| 2004 | 0.50 |
| 2003 | 0.50 |
| 2002 | 0.50 |
| 2001 | 0.50 |
| 2000 | 0.50 |
