| 年份 | 行政区域土地面积 (平方公里) |
建成区面积 (平方公里) |
绿化覆盖率 (%) |
|---|---|---|---|
| 2022 | |||
| 2021 | |||
| 2020 | |||
| 2019 | 2607.28 | 199.45 | 45.61 |
| 2018 | 2607.28 | 197.94 | 45.77 |
| 2017 | 2606.65 | 194.16 | 45.89 |
| 2016 | 2606.65 | 192.77 | 46.01 |
| 2015 | 2605.90 | 192.57 | 46.00 |
| 2014 | 2606.00 | 190.38 | 48.91 |
| 2013 | 777.00 | 142.00 | 47.95 |
| 2012 | 777.00 | 138.00 | 47.92 |
| 2011 | 777.00 | 135.00 | 47.59 |
| 2010 | 777.00 | 132.00 | 47.12 |
| 2009 | 777.00 | 129.00 | 46.50 |
| 2008 | 769.00 | 120.00 | 46.37 |
| 2007 | 769.00 | 109.00 | 46.28 |
| 2006 | 769.00 | 92.00 | 46.17 |
| 2005 | 731.00 | 82.00 | 45.11 |
| 2004 | 731.00 | 62.00 | 43.50 |
| 2003 | 731.00 | 50.75 | 39.75 |
| 2002 | 731.00 | 43.65 | 39.50 |
| 2001 | 731.00 | 43.65 | 38.80 |
| 2000 | 731.00 | 43.65 | 37.20 |
| 1999 | 731.00 | 43.55 | 37.50 |
| 1998 | 731.00 | 43.00 | 37.70 |
| 1997 | 916.00 | 43.00 | 37.30 |
| 1996 | 731.00 | 43.00 | 36.70 |
| 1995 | 731.00 | 39.00 | 36.30 |
| 1994 | 731.00 | 39.00 | |
| 1993 | 408.00 | 33.00 | |
| 1991 | 408.00 | 16.00 | |
| 1990 | 408.00 | 15.00 | |
| 1989 | 408.00 | ||
| 1988 | 408.00 | ||
| 1987 | 408.00 | ||
| 1985 | 398.00 | ||
| 1984 | 398.00 |