| 序号 | 时间 (年) |
数据 (千公顷) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2019 | |
| 3 | 2018 | |
| 4 | 2017 | |
| 5 | 2016 | |
| 6 | 2015 | |
| 7 | 2014 | 2117.97 |
| 8 | 2013 | 2099.42 |
| 9 | 2012 | 2026.10 |
| 10 | 2011 | 1934.98 |
| 11 | 2010 | 1850.47 |
| 12 | 2009 | 1869.54 |
| 13 | 2008 | 1896.72 |
| 14 | 2007 | 1974.77 |
| 15 | 2006 | 1894.25 |
| 16 | 2005 | 1700.87 |
| 17 | 2004 | 1604.77 |
| 18 | 2003 | 1433.59 |
| 19 | 2002 | 1470.35 |
| 20 | 2001 | 1504.99 |
| 21 | 2000 | 1611.65 |
| 22 | 1999 | 1824.23 |
| 23 | 1998 | 1822.29 |
| 24 | 1995 | 1661.56 |
| 25 | 1990 | 1010.26 |
| 26 | 1985 | 313.61 |
