| 序号 | 时间 (年) |
数据 (千公顷) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2015 | |
| 4 | 2013 | |
| 5 | 2011 | |
| 6 | 2010 | |
| 7 | 2009 | |
| 8 | 2008 | |
| 9 | 2007 | |
| 10 | 2006 | |
| 11 | 2005 | 174.70 |
| 12 | 2004 | 728.00 |
| 13 | 2003 | 131.00 |
| 14 | 2002 | 1204.00 |
| 15 | 2001 | 53.00 |
| 16 | 2000 | 100.00 |
| 17 | 1999 | 507.00 |
| 18 | 1998 | 203.00 |
| 19 | 1997 | 88.00 |
| 20 | 1996 | 367.00 |
| 21 | 1995 | 300.00 |
| 22 | 1994 | 387.00 |
| 23 | 1993 | 140.00 |
| 24 | 1992 | 145.00 |
| 25 | 1991 | 1366.00 |
| 26 | 1990 | 758.70 |
| 27 | 1989 | 460.00 |
| 28 | 1988 | 503.30 |
| 29 | 1987 | 758.00 |
| 30 | 1986 | 1124.70 |
| 31 | 1985 | 340.00 |
| 32 | 1984 | 437.30 |
| 33 | 1983 | 405.30 |
| 34 | 1982 | 46.00 |
| 35 | 1981 | 644.70 |
| 36 | 1980 | 432.70 |
| 37 | 1979 | 310.00 |
| 38 | 1978 | 190.00 |
