| 年份 | 行政区域土地面积 (平方公里) |
建成区面积 (平方公里) |
城市绿地面积 (公顷) |
绿化覆盖率 (%) |
|---|---|---|---|---|
| 2023 | ||||
| 2022 | ||||
| 2021 | ||||
| 2020 | ||||
| 2019 | ||||
| 2018 | ||||
| 2017 | ||||
| 2016 | ||||
| 2015 | 421.00 | 16.89 | 665.00 | 41.33 |
| 2014 | 421.00 | 16.37 | 647.00 | 40.62 |
| 2013 | 393.00 | 15.67 | 640.00 | 41.99 |
| 2012 | 392.00 | 15.67 | 636.00 | 41.74 |
| 2011 | 392.00 | 15.26 | 630.00 | 42.53 |
| 2010 | 415.00 | 14.37 | 610.00 | 41.20 |
| 2009 | 415.00 | 14.14 | 563.00 | 41.16 |
| 2008 | 415.00 | 13.40 | 380.00 | 29.63 |
| 2007 | 415.00 | 13.20 | 369.00 | 29.09 |
| 2006 | 415.00 | 13.20 | 365.00 | 28.79 |
| 2005 | 150.00 | 13.00 | 452.00 | 31.35 |
| 2004 | 150.00 | 12.68 | 452.00 | |
| 2003 | 432.00 | 11.63 | 444.00 | |
| 2002 | 432.00 | 11.20 | 427.00 | |
| 2001 | 150.00 | 11.09 | 350.00 | |
| 2000 | 432.00 | 11.03 | 85.00 | |
| 1999 | 432.00 | 10.90 | 85.00 | |
| 1998 | 11.00 | 3245.00 | ||
| 1997 | 401.00 | 10.00 | 310.00 | |
| 1996 | 401.00 | 14.00 | 285.00 | |
| 1995 | 401.00 | 9.00 | 65.00 | |
| 1994 | 401.00 | 12.00 | ||
| 1993 | 401.00 | 11.00 | 81.00 | |
| 1991 | 401.00 | 7.00 | 25.00 | |
| 1990 | 401.00 | 7.00 | 3.00 | |
| 1989 | 401.00 | 4.00 | 2.00 | |
| 1988 | 401.00 | 4.00 |