| 序号 | 时间 (年) |
数据 (千公顷) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 82.54 |
| 8 | 2014 | 80.55 |
| 9 | 2013 | 78.86 |
| 10 | 2012 | 77.23 |
| 11 | 2011 | 76.10 |
| 12 | 2010 | 57.58 |
| 13 | 2009 | 71.11 |
| 14 | 2008 | 62.91 |
| 15 | 2007 | 60.80 |
| 16 | 2006 | 87.41 |
| 17 | 2005 | 69.97 |
| 18 | 2004 | 86.15 |
| 19 | 2003 | 85.43 |
| 20 | 2002 | 85.40 |
| 21 | 2001 | 86.41 |
| 22 | 2000 | 88.56 |
| 23 | 1999 | 90.51 |
| 24 | 1998 | 87.91 |
| 25 | 1997 | 26.25 |
| 26 | 1995 | 66.50 |
| 27 | 1990 | 42.65 |
