| 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 | 276.91 | 106.89 | 43.48 |
| 2018 | 248.11 | 106.89 | 43.18 |
| 2017 | 235.88 | 94.63 | 42.97 |
| 2016 | 75.00 | 18.78 | |
| 2015 | 266.00 | 74.94 | 40.72 |
| 2014 | 266.00 | 73.00 | 41.51 |
| 2013 | 266.00 | 69.56 | 39.56 |
| 2012 | 266.00 | 66.90 | 40.00 |
| 2011 | 266.00 | 60.83 | 39.83 |
| 2010 | 266.00 | 60.83 | 38.52 |
| 2009 | 266.00 | 58.93 | 39.00 |
| 2008 | 266.00 | 57.85 | 38.69 |
| 2007 | 266.00 | 57.64 | 37.79 |
| 2006 | 266.00 | 57.64 | 36.75 |
| 2005 | 266.00 | 54.03 | 36.92 |
| 2004 | 266.00 | 53.23 | |
| 2003 | 266.00 | 52.36 | |
| 2002 | 266.00 | 51.97 | |
| 2001 | 266.00 | 51.10 | |
| 2000 | 266.00 | 50.36 | |
| 1999 | 266.00 | 48.00 | |
| 1998 | 266.00 | 46.00 | |
| 1997 | 266.00 | 44.00 | |
| 1996 | 243.00 | 41.00 | |
| 1995 | 243.00 | 39.00 | |
| 1994 | 243.00 | 38.00 | |
| 1993 | 253.00 | 48.00 | |
| 1992 | 48.00 | ||
| 1991 | 307.00 | 48.00 | |
| 1990 | 243.00 | 34.00 | |
| 1989 | 232.00 | ||
| 1988 | 232.00 | ||
| 1987 | 232.00 | ||
| 1986 | 167.00 | ||
| 1985 | 167.00 |