| 序号 | 时间 (年) |
数据 (千公顷) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 55.54 |
| 8 | 2016 | 83.74 |
| 9 | 2015 | 55.88 |
| 10 | 2014 | 58.01 |
| 11 | 2013 | 59.52 |
| 12 | 2012 | 61.56 |
| 13 | 2011 | 64.05 |
| 14 | 2010 | 37.03 |
| 15 | 2009 | 70.63 |
| 16 | 2008 | 70.78 |
| 17 | 2007 | 70.31 |
| 18 | 2006 | 72.02 |
| 19 | 2000 | 83.86 |
| 20 | 1990 | 69.06 |
| 21 | 1980 | 65.88 |
| 22 | 1978 | 74.73 |
