| 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 (%) |
城区面积 (平方公里) |
|---|---|---|---|---|
| 2023 | ||||
| 2022 | ||||
| 2021 | ||||
| 2020 | ||||
| 2019 | 2306.00 | 178.84 | 44.06 | 415.34 |
| 2018 | 2306.00 | 171.83 | 44.05 | 415.34 |
| 2017 | 2306.00 | 163.93 | 44.02 | 415.34 |
| 2016 | 2306.00 | 148.96 | 43.80 | 415.34 |
| 2015 | 2305.68 | 140.00 | 43.71 | 415.34 |
| 2014 | 2306.00 | 135.60 | 43.61 | 415.34 |
| 2013 | 2305.68 | 132.00 | 43.21 | 415.34 |
| 2012 | 2350.74 | 128.00 | 43.03 | 415.34 |
| 2011 | 2351.00 | 124.50 | 43.00 | 415.34 |
| 2010 | 1020.97 | 82.00 | 43.60 | 274.96 |
| 2009 | 1023.60 | 78.60 | 43.51 | 274.96 |
| 2008 | 1023.60 | 75.00 | 43.45 | 254.35 |
| 2007 | 980.00 | 72.00 | 43.15 | 202.95 |
| 2006 | 980.00 | 70.00 | 40.41 | 252.00 |
| 2005 | 980.00 | 67.30 | 40.19 | 973.00 |
| 2004 | 980.00 | 63.00 | 36.81 | 873.00 |
| 2003 | 980.00 | 58.00 | 36.95 | 973.00 |
| 2002 | 980.00 | 54.00 | 37.57 | 973.00 |
| 2001 | 1000.00 | 53.00 | 34.90 | 973.00 |
| 2000 | 100.00 | 48.00 | 35.90 | 148.00 |
| 1999 | 100.00 | 48.00 | 35.50 | 148.00 |
| 1998 | 100.00 | 46.00 | 35.70 | |
| 1997 | 100.00 | 45.00 | 36.00 | |
| 1996 | 100.00 | 45.00 | 33.50 | |
| 1995 | 100.00 | 43.00 | 33.00 | |
| 1994 | 100.00 | 43.00 | ||
| 1993 | 82.00 | |||
| 1992 | 100.00 | 27.00 | ||
| 1991 | 100.00 | 25.00 | ||
| 1990 | 100.00 | 25.00 | ||
| 1989 | 25.00 | |||
| 1988 | 24.00 | |||
| 1987 | 21.00 | |||
| 1986 | 20.00 | |||
| 1985 | 19.00 | |||
| 1984 | 17.00 |