| 年份 | 行政区域土地面积 (平方千米) |
|---|---|
| 2019 | 1361.05 |
| 2018 | 1361.05 |
| 2017 | 1361.05 |
| 2016 | 1361.05 |
| 2015 | 1361.05 |
| 2014 | 1361.01 |
| 2013 | 1361.01 |
| 2012 | 1361.01 |
| 2011 | 1086.44 |
| 2010 | 1086.60 |
| 2009 | 1361.70 |
| 2008 | 1361.70 |
| 2007 | 1353.78 |
| 2006 | 1353.80 |
| 2005 | 1353.78 |
| 2004 | 1254.00 |
| 2003 | 1097.80 |
| 2002 | 963.00 |
| 2001 | 963.00 |
| 2000 | 963.00 |