| 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 | |
| 8 | 2007 | |
| 9 | 1995 | |
| 10 | 1994 | |
| 11 | 1991 | 32652.00 |
| 12 | 1990 | 32652.00 |
| 13 | 1989 | 32652.00 |
| 14 | 1988 | 32652.00 |
| 15 | 1987 | 32652.00 |
| 16 | 1986 | 32652.00 |
| 17 | 1985 | 64100.00 |
