| 年份 | 行政区域土地面积 (平方公里) |
绿化覆盖率 (%) |
|---|---|---|
| 2023 | ||
| 2022 | ||
| 2021 | ||
| 2020 | ||
| 2019 | 12155.23 | 40.55 |
| 2018 | 12155.23 | 40.53 |
| 2017 | 12155.23 | 39.82 |
| 2016 | 12155.23 | 40.11 |
| 2015 | 12155.23 | 41.87 |
| 2014 | 12155.23 | 40.89 |
| 2013 | 12155.23 | 40.89 |
| 2012 | 12193.85 | 41.95 |
| 2011 | 12193.85 | 41.71 |
| 2010 | 12238.00 | 40.14 |
| 2009 | 12193.85 | 40.30 |
| 2008 | 12193.85 | 40.05 |
| 2007 | 12193.85 | 40.01 |
| 2006 | 12194.00 | 36.91 |
| 2005 | 12194.00 | 34.14 |
| 2004 | 12239.00 | 33.26 |
| 2003 | 12239.00 | 28.14 |
| 2002 | 12239.00 | 24.42 |
| 2001 | 12239.00 | 25.10 |
| 2000 | 12200.00 | 26.82 |
| 1996 | 1432.00 | |
| 1994 | 1432.00 | |
| 1993 | 1400.00 | |
| 1991 | 1400.00 | |
| 1990 | 1400.00 | |
| 1989 | 1400.00 | |
| 1988 | 1400.00 | |
| 1987 | 1400.00 | |
| 1986 | 1400.00 | |
| 1985 | 1400.00 | |
| 1984 | 1400.00 |