| 序号 | 时间 (年) |
数据 (千公顷) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 27508.00 |
| 8 | 2014 | 26668.00 |
| 9 | 2013 | 26895.00 |
| 10 | 2012 | 27154.00 |
| 11 | 2011 | 27599.00 |
| 12 | 2010 | 19583.00 |
| 13 | 2009 | 29125.00 |
| 14 | 2008 | 29334.00 |
| 15 | 2007 | 29401.00 |
| 16 | 2006 | 29671.00 |
| 17 | 2005 | 29792.00 |
| 18 | 2004 | 29434.00 |
| 19 | 2003 | 29207.00 |
| 20 | 2002 | 29267.00 |
| 21 | 2001 | 31822.00 |
| 22 | 2000 | 33017.00 |
| 23 | 1999 | 31698.00 |
| 24 | 1998 | 26117.00 |
| 25 | 1997 | 24331.00 |
| 26 | 1995 | 23837.00 |
| 27 | 1990 | 11672.00 |
| 28 | 1985 | 7427.00 |
