| 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 | 4476.00 | 198.00 | 42.42 | 309.69 |
| 2018 | 4476.00 | 190.00 | 42.18 | 309.69 |
| 2017 | 4476.00 | 185.00 | 42.20 | 309.69 |
| 2016 | 4476.00 | 178.50 | 42.05 | 309.69 |
| 2015 | 3202.56 | 155.00 | 41.30 | 227.00 |
| 2014 | 3203.00 | 150.00 | 40.92 | 227.00 |
| 2013 | 3160.00 | 140.00 | 40.74 | 227.00 |
| 2012 | 3110.36 | 136.00 | 40.04 | 227.00 |
| 2011 | 3110.00 | 130.00 | 39.83 | 227.00 |
| 2010 | 3171.00 | 120.00 | 39.60 | 227.00 |
| 2009 | 3171.00 | 110.00 | 39.50 | 227.00 |
| 2008 | 3171.00 | 100.00 | 39.53 | 227.00 |
| 2007 | 3171.00 | 95.00 | 39.20 | 227.00 |
| 2006 | 3171.00 | 89.00 | 38.30 | 500.00 |
| 2005 | 3171.00 | 85.00 | 37.12 | 95.00 |
| 2004 | 3171.00 | 80.00 | 37.02 | 95.00 |
| 2003 | 3171.00 | 79.00 | 32.39 | 582.50 |
| 2002 | 3171.00 | 75.00 | 25.21 | 581.80 |
| 2001 | 3171.00 | 67.00 | 25.80 | 534.00 |
| 2000 | 347.00 | 40.00 | 29.70 | 32.00 |
| 1999 | 38.00 | 31.20 | 32.00 | |
| 1998 | 35.00 | 32.80 | ||
| 1997 | 33.00 | 32.90 | ||
| 1996 | 1560.00 | 32.00 | 30.80 | |
| 1995 | 1560.00 | 30.00 | 32.10 | |
| 1994 | 1560.00 | 28.00 | ||
| 1993 | 1560.00 | 25.00 | ||
| 1992 | 25.00 | |||
| 1991 | 1560.00 | 24.00 | ||
| 1990 | 1560.00 | 24.00 | ||
| 1989 | 1560.00 | |||
| 1988 | 1560.00 | |||
| 1987 | 1560.00 |