| 序号 | 时间 (年) |
数据 (千公顷) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2019 | |
| 3 | 2018 | |
| 4 | 2017 | |
| 5 | 2016 | |
| 6 | 2015 | |
| 7 | 2014 | 401.92 |
| 8 | 2013 | 394.52 |
| 9 | 2012 | 384.12 |
| 10 | 2011 | 376.86 |
| 11 | 2010 | 370.18 |
| 12 | 2009 | 366.54 |
| 13 | 2008 | 362.90 |
| 14 | 2007 | 359.56 |
| 15 | 2006 | 356.22 |
| 16 | 2005 | 352.88 |
| 17 | 2004 | 349.54 |
| 18 | 2003 | 346.20 |
| 19 | 2002 | 342.83 |
| 20 | 2001 | 338.82 |
| 21 | 2000 | 331.52 |
