| 序号 |
时间(年) |
数据(单位：平方公里) |
| 1 |
2023 |
|
| 2 |
2022 |
|
| 3 |
2021 |
|
| 4 |
2020 |
|
| 5 |
2019 |
|
| 6 |
2018 |
|
| 7 |
2017 |
638.40 |
| 8 |
2016 |
599.30 |
| 9 |
2015 |
566.40 |
| 10 |
2014 |
490.70 |
| 11 |
2013 |
469.60 |
| 12 |
2012 |
374.60 |
| 13 |
2011 |
291.50 |
| 14 |
2010 |
282.30 |
| 15 |
2009 |
272.90 |
| 16 |
2008 |
267.10 |
| 17 |
2007 |
250.70 |
| 18 |
2006 |
227.50 |
| 19 |
2005 |
178.80 |
| 20 |
2004 |
154.80 |
| 21 |
2003 |
145.91 |
| 22 |
2002 |
133.03 |
| 23 |
2001 |
122.95 |
| 24 |
2000 |
119.09 |
| 25 |
1999 |
116.00 |
| 26 |
1998 |
114.00 |
| 27 |
1997 |
112.00 |
| 28 |
1996 |
109.98 |
| 29 |
1995 |
106.00 |
| 30 |
1994 |
103.90 |
| 31 |
1993 |
99.90 |
| 32 |
1992 |
95.40 |
| 33 |
1991 |
94.70 |
| 34 |
1990 |
94.30 |
| 35 |
1989 |
92.50 |
| 36 |
1988 |
83.00 |
| 37 |
1987 |
81.00 |
| 38 |
1985 |
79.00 |
| 39 |
1980 |
72.00 |
| 40 |
1978 |
66.00 |
| 41 |
1975 |
63.00 |
| 42 |
1970 |
59.00 |
| 43 |
1965 |
57.00 |
| 44 |
1962 |
55.00 |
| 45 |
1957 |
36.00 |
| 46 |
1952 |
29.00 |
| 47 |
1949 |
27.00 |
