| 序号 | 时间 (年) |
数据 (千公顷) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2017 | |
| 3 | 2016 | |
| 4 | 2015 | |
| 5 | 2014 | |
| 6 | 2013 | |
| 7 | 2012 | 29.33 |
| 8 | 2011 | 27.34 |
| 9 | 2010 | 28.37 |
| 10 | 2009 | 25.58 |
| 11 | 2008 | 30.57 |
| 12 | 2007 | 44.66 |
| 13 | 2006 | 45.90 |
| 14 | 2005 | 34.15 |
| 15 | 2004 | 27.79 |
| 16 | 2003 | 28.03 |
| 17 | 2002 | 37.28 |
| 18 | 2001 | 36.39 |
| 19 | 2000 | 23.79 |
