| 年份 | 行政区域土地面积 (平方公里) |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | 20594.00 |
| 2018 | 20594.00 |
| 2017 | 20594.00 |
| 2016 | 20594.00 |
| 2015 | 20594.00 |
| 2014 | 20594.00 |
| 2013 | 20571.00 |
| 2012 | 20571.00 |
| 2011 | 20571.00 |
| 2010 | 20571.00 |
| 2009 | 20571.00 |
| 2008 | 20571.00 |
| 2007 | 20571.00 |
| 2006 | 20571.00 |
| 2005 | 20571.00 |
| 2004 | 20571.00 |
| 2003 | 20571.00 |
| 2002 | 20571.00 |
| 2001 | 20571.00 |
| 2000 | 18800.00 |
| 1999 | 18881.00 |
| 1998 | 18881.00 |
| 1997 | 18881.00 |
| 1996 | 18881.00 |
| 1995 | 18881.00 |
| 1994 | 18881.00 |
| 1993 | 18881.00 |
| 1992 | 18900.00 |
| 1991 | 18881.00 |
| 1990 | 18881.00 |
| 1989 | 18881.00 |
| 1988 | 18881.00 |
| 1987 | 18881.00 |
| 1986 | 18881.00 |
| 1985 | 18881.00 |
| 1984 | 18881.00 |
