| 序号 | 时间 (年) |
数据 (公顷) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2014 | |
| 7 | 2013 | 29219.00 |
| 8 | 2012 | 28435.00 |
| 9 | 2011 | 26686.00 |
| 10 | 2010 | 25994.00 |
| 11 | 2009 | 25994.00 |
| 12 | 2008 | 22964.00 |
| 13 | 2007 | 22549.00 |
| 14 | 2006 | 21606.00 |
| 15 | 2005 | 20604.00 |
| 16 | 2004 | 19441.00 |
| 17 | 2003 | 13851.00 |
| 18 | 2002 | 12075.00 |
| 19 | 2001 | 20512.00 |
| 20 | 2000 | 20100.00 |
| 21 | 1999 | 18809.00 |
| 22 | 1998 | 18614.00 |
| 23 | 1997 | 18464.00 |
| 24 | 1996 | 18230.00 |
| 25 | 1995 | 18210.00 |
| 26 | 1994 | 18150.00 |
| 27 | 1993 | 18127.00 |
| 28 | 1991 | 6398.00 |
| 29 | 1990 | 3313.00 |
| 30 | 1989 | 3154.00 |
