| 序号 | 时间 (年) |
数据 (平方公里) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2016 | |
| 4 | 2015 | |
| 5 | 2014 | |
| 6 | 2013 | |
| 7 | 2012 | 1561.00 |
| 8 | 2011 | 1438.00 |
| 9 | 2010 | 1328.00 |
| 10 | 2009 | 1228.00 |
| 11 | 2008 | 1142.00 |
| 12 | 2007 | 1118.00 |
| 13 | 2006 | 1077.00 |
| 14 | 2005 | 1092.00 |
| 15 | 2004 | 1066.00 |
| 16 | 2003 | 1048.00 |
| 17 | 2002 | 889.00 |
| 18 | 2001 | 794.00 |
| 19 | 2000 | 736.00 |
| 20 | 1999 | 620.00 |
| 21 | 1998 | 581.00 |
| 22 | 1997 | 502.00 |
| 23 | 1996 | 1008.00 |
| 24 | 1995 | 933.00 |
| 25 | 1994 | 791.00 |
| 26 | 1993 | 676.00 |
| 27 | 1991 | 520.00 |
| 28 | 1990 | 486.00 |
| 29 | 1989 | 455.00 |
| 30 | 1988 | 443.00 |
| 31 | 1987 | 398.00 |
| 32 | 1986 | 412.00 |
| 33 | 1985 | 363.00 |
| 34 | 1984 | 339.00 |
