| 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 (%) |
|---|---|---|---|
| 2023 | |||
| 2022 | |||
| 2021 | |||
| 2020 | |||
| 2019 | 3671.00 | 206.00 | 40.49 |
| 2018 | 3670.74 | 199.00 | 38.74 |
| 2017 | 3670.74 | 191.46 | 38.69 |
| 2016 | 3670.74 | 170.33 | 38.69 |
| 2015 | 3670.74 | 164.04 | 38.03 |
| 2014 | 3670.74 | 133.62 | 40.12 |
| 2013 | 3670.74 | 116.79 | 45.22 |
| 2012 | 3700.00 | 107.61 | 45.30 |
| 2011 | 3700.00 | 99.58 | 45.55 |
| 2010 | 3700.00 | 90.57 | 36.38 |
| 2009 | 3700.00 | 80.35 | 37.76 |
| 2008 | 3700.00 | 79.26 | 37.77 |
| 2007 | 3700.00 | 78.42 | 38.12 |
| 2006 | 3700.00 | 78.42 | 38.12 |
| 2005 | 3700.00 | 70.03 | 38.86 |
| 2004 | 3700.00 | 66.38 | |
| 2003 | 3700.00 | 79.50 | |
| 2002 | 3600.00 | 63.72 | |
| 2001 | 300.00 | 60.28 | |
| 2000 | 300.00 | 59.73 | |
| 1999 | 300.00 | 58.55 | |
| 1998 | 300.00 | 55.00 | |
| 1997 | 300.00 | 53.00 | |
| 1996 | 300.00 | 52.00 | |
| 1995 | 300.00 | 44.00 | |
| 1994 | 300.00 | 44.00 | |
| 1993 | 400.00 | 39.00 | |
| 1992 | 400.00 | 38.00 | |
| 1991 | 400.00 | 36.00 | |
| 1990 | 400.00 | 34.00 |