| 序号 | 时间 (年) |
数据 (公顷) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2016 | |
| 4 | 2015 | |
| 5 | 2014 | |
| 6 | 2013 | |
| 7 | 2012 | 29124.00 |
| 8 | 2011 | 27775.00 |
| 9 | 2010 | 24584.00 |
| 10 | 2009 | 25984.00 |
| 11 | 2008 | 23794.00 |
| 12 | 2007 | 20004.00 |
| 13 | 2006 | 15586.00 |
| 14 | 2005 | 12349.00 |
| 15 | 2004 | 12980.00 |
| 16 | 2003 | 11010.00 |
| 17 | 2002 | 11929.00 |
| 18 | 2001 | 12580.00 |
| 19 | 2000 | 8967.00 |
| 20 | 1999 | 8553.00 |
| 21 | 1998 | 7765.00 |
| 22 | 1997 | 7483.00 |
| 23 | 1996 | 6072.00 |
| 24 | 1995 | 6789.00 |
| 25 | 1994 | 4494.00 |
| 26 | 1993 | 4246.00 |
| 27 | 1991 | 4392.00 |
| 28 | 1990 | 5543.00 |
| 29 | 1989 | 6002.00 |
