| 年份 | 建成区面积 (平方公里) |
|---|---|
| 2021 | |
| 2020 | |
| 2019 | 111.40 |
| 2018 | 111.04 |
| 2017 | 55.70 |
| 2016 | 49.90 |
| 2015 | 49.90 |
| 2014 | 48.50 |
| 2013 | 48.94 |
| 2012 | 48.94 |
| 2011 | 46.24 |
| 2010 | 34.94 |
| 2009 | 34.70 |
| 2008 | 35.82 |
| 2007 | 36.48 |
| 2006 | 32.00 |
| 2005 | 32.00 |
| 2004 | 28.57 |
| 2003 | 76.00 |
| 2002 | 28.57 |
| 2001 | 28.53 |
| 2000 | 24.40 |