| 序号 | 时间 (年) |
数据 (千公顷) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 18.13 |
| 8 | 2016 | 22.17 |
| 9 | 2015 | 22.61 |
| 10 | 2014 | 21.80 |
| 11 | 2013 | 21.41 |
| 12 | 2012 | 20.73 |
| 13 | 2011 | 20.07 |
| 14 | 2010 | 19.47 |
| 15 | 2009 | 19.00 |
| 16 | 2008 | 18.62 |
| 17 | 2007 | 18.72 |
| 18 | 2006 | 18.99 |
| 19 | 2005 | 19.06 |
| 20 | 2004 | 18.82 |
| 21 | 2003 | 18.83 |
