| 序号 | 时间 (年) |
数据 (千公顷) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 86.99 |
| 8 | 2014 | 86.53 |
| 9 | 2013 | 84.38 |
| 10 | 2012 | 81.72 |
| 11 | 2011 | 81.72 |
| 12 | 2010 | 81.02 |
| 13 | 2009 | 79.47 |
| 14 | 2008 | 70.74 |
| 15 | 2007 | 73.34 |
| 16 | 2006 | 66.76 |
| 17 | 2005 | 54.50 |
| 18 | 2004 | 56.21 |
| 19 | 2003 | 53.46 |
| 20 | 2002 | 66.64 |
| 21 | 2001 | 68.74 |
| 22 | 2000 | 69.35 |
