| 年份 | 行政区域土地面积 (平方千米) |
|---|---|
| 2019 | 1212.84 |
| 2018 | 1212.84 |
| 2017 | 1214.84 |
| 2016 | 1214.84 |
| 2015 | 1212.84 |
| 2014 | 1214.15 |
| 2013 | 1214.15 |
| 2012 | 1214.15 |
| 2011 | 941.44 |
| 2010 | 941.40 |
| 2009 | 1214.30 |
| 2008 | 1214.30 |
| 2007 | 1210.37 |
| 2006 | 1210.40 |
| 2005 | 1210.37 |
| 2004 | 1007.50 |
| 2003 | 1007.50 |
| 2002 | 56.00 |
| 2001 | 56.00 |
| 2000 | 56.00 |