| 序号 | 时间 (年) |
数据 (平方公里) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 75.75 |
| 8 | 2015 | 74.34 |
| 9 | 2014 | 72.90 |
| 10 | 2013 | 68.01 |
| 11 | 2012 | 64.10 |
| 12 | 2011 | 55.82 |
| 13 | 2010 | 53.84 |
| 14 | 2009 | 52.33 |
| 15 | 2008 | 49.82 |
| 16 | 2007 | 48.24 |
| 17 | 2006 | 46.47 |
| 18 | 2005 | 68.65 |
| 19 | 2004 | 67.57 |
| 20 | 2003 | 66.77 |
| 21 | 2002 | 67.63 |
| 22 | 2001 | 67.36 |
| 23 | 2000 | 59.32 |
| 24 | 1999 | 56.39 |
| 25 | 1998 | 54.00 |
| 26 | 1997 | 53.00 |
| 27 | 1996 | 54.00 |
| 28 | 1995 | 50.00 |
| 29 | 1994 | 27.00 |
| 30 | 1993 | 25.00 |
| 31 | 1992 | 22.00 |
| 32 | 1991 | 22.00 |
| 33 | 1990 | 20.00 |
