| 序号 | 时间 (年) |
数据 (万公顷) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 38.69 |
| 8 | 2016 | 36.68 |
| 9 | 2015 | 37.24 |
| 10 | 2014 | 43.02 |
| 11 | 2013 | 43.75 |
| 12 | 2012 | 38.06 |
| 13 | 2011 | 47.23 |
| 14 | 2010 | 46.18 |
| 15 | 2009 | 62.05 |
| 16 | 2008 | 35.43 |
| 17 | 2007 | 29.89 |
| 18 | 2006 | 32.67 |
| 19 | 2005 | 33.29 |
| 20 | 2004 | 26.18 |
