| 序号 | 时间 (年) |
数据 (千公顷) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 29.78 |
| 8 | 2017 | 28.40 |
| 9 | 2016 | 28.70 |
| 10 | 2015 | 28.70 |
| 11 | 2014 | 26.72 |
| 12 | 2013 | 26.90 |
| 13 | 2012 | 27.20 |
| 14 | 2011 | 25.57 |
| 15 | 2010 | 24.01 |
| 16 | 2009 | 23.37 |
| 17 | 2008 | 21.61 |
| 18 | 2007 | 20.58 |
| 19 | 2006 | 29.26 |
| 20 | 2005 | 27.80 |
| 21 | 2004 | 24.70 |
| 22 | 2003 | 22.90 |
| 23 | 2002 | 24.40 |
| 24 | 2001 | 24.30 |
| 25 | 2000 | 25.20 |
| 26 | 1999 | 23.70 |
| 27 | 1998 | 23.20 |
| 28 | 1997 | 21.90 |
| 29 | 1996 | 21.20 |
