| 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 (%) |
城区面积 (平方公里) |
|---|---|---|---|---|---|
| 2023 | |||||
| 2022 | |||||
| 2021 | |||||
| 2020 | |||||
| 2019 | 3047.00 | 63.51 | 2693.00 | 42.95 | 376.00 |
| 2018 | 3047.00 | 63.51 | 2667.00 | 42.95 | 376.00 |
| 2017 | 3047.00 | 61.82 | 2570.00 | 42.95 | 376.00 |
| 2016 | 3047.00 | 58.32 | 2394.00 | 42.94 | 376.00 |
| 2015 | 3047.00 | 53.64 | 2213.00 | 42.93 | 376.00 |
| 2014 | 3047.00 | 52.81 | 2045.00 | 42.92 | 168.00 |
| 2013 | 3047.00 | 50.00 | 1914.00 | 42.88 | 168.00 |
| 2012 | 298.00 | 47.82 | 1776.00 | 42.87 | 168.00 |
| 2011 | 298.00 | 46.88 | 1741.00 | 42.85 | 168.00 |
| 2010 | 298.00 | 45.00 | 1675.00 | 42.84 | 168.00 |
| 2009 | 298.00 | 41.50 | 1639.00 | 42.82 | 168.00 |
| 2008 | 298.00 | 33.37 | 1209.00 | 42.64 | 33.37 |
| 2007 | 322.00 | 32.89 | 1201.00 | 42.23 | 32.89 |
| 2006 | 322.00 | 29.12 | 1245.00 | 39.46 | 168.00 |
| 2005 | 322.00 | 35.03 | 900.00 | 31.00 | 322.00 |
| 2004 | 298.00 | 31.02 | 897.00 | 322.00 | |
| 2003 | 298.00 | 29.92 | 875.00 | 322.00 | |
| 2002 | 298.00 | 28.27 | 844.00 | 322.00 | |
| 2001 | 298.00 | 27.72 | 821.00 | 322.00 | |
| 2000 | 323.00 | 27.05 | 816.00 | 322.00 | |
| 1999 | 323.00 | 26.77 | 808.00 | 322.00 | |
| 1998 | 322.00 | 45.00 | 785.00 | ||
| 1997 | 323.00 | 45.00 | 781.00 | ||
| 1996 | 323.00 | 45.00 | 683.00 | ||
| 1995 | 323.00 | 45.00 | 671.00 | ||
| 1994 | 323.00 | 45.00 | 585.00 | ||
| 1993 | 298.00 | 21.00 | 642.00 | ||
| 1991 | 298.00 | 14.00 | 401.00 | ||
| 1990 | 299.00 | 12.00 | 224.00 | ||
| 1989 | 323.00 | 12.00 | 224.00 | ||
| 1988 | 323.00 | 11.00 |