| 序号 | 时间 (年) |
数据 (千公顷) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 324.94 |
| 8 | 2014 | 337.41 |
| 9 | 2013 | 362.10 |
| 10 | 2012 | 381.64 |
| 11 | 2011 | 398.26 |
| 12 | 2010 | 425.82 |
| 13 | 2009 | 452.66 |
| 14 | 2008 | 482.52 |
| 15 | 2007 | 506.41 |
| 16 | 2006 | 542.08 |
| 17 | 2005 | 550.67 |
| 18 | 2004 | 547.65 |
| 19 | 2003 | 554.43 |
| 20 | 2002 | 553.81 |
| 21 | 2001 | 558.19 |
| 22 | 2000 | 563.70 |
| 23 | 1999 | 567.08 |
| 24 | 1998 | 568.60 |
| 25 | 1997 | 576.28 |
| 26 | 1996 | 556.55 |
| 27 | 1995 | 532.37 |
| 28 | 1994 | 504.76 |
| 29 | 1993 | 459.18 |
| 30 | 1992 | 415.79 |
| 31 | 1991 | 355.24 |
| 32 | 1990 | 298.40 |
| 33 | 1989 | 278.33 |
| 34 | 1988 | 250.65 |
| 35 | 1987 | 227.89 |
| 36 | 1986 | 183.43 |
| 37 | 1980 | 83.07 |
| 38 | 1978 | 70.84 |
| 39 | 1975 | 57.52 |
| 40 | 1970 | 40.33 |
| 41 | 1965 | 40.98 |
| 42 | 1962 | 31.57 |
| 43 | 1957 | 25.20 |
| 44 | 1952 | 12.10 |
