| 序号 | 时间 (年) |
数据 (公顷) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2016 | |
| 4 | 2015 | |
| 5 | 2014 | |
| 6 | 2013 | |
| 7 | 2012 | 28343.00 |
| 8 | 2011 | 28553.00 |
| 9 | 2010 | 28319.00 |
| 10 | 2009 | 25910.00 |
| 11 | 2008 | 23931.00 |
| 12 | 2007 | 22221.00 |
| 13 | 2006 | 21187.00 |
| 14 | 2005 | 19713.00 |
| 15 | 2004 | 18349.00 |
| 16 | 2003 | 17551.00 |
| 17 | 2002 | 15737.00 |
| 18 | 2001 | 15130.00 |
| 19 | 2000 | 14334.00 |
| 20 | 1999 | 14190.00 |
| 21 | 1998 | 13455.00 |
| 22 | 1997 | 13202.00 |
| 23 | 1996 | 17301.00 |
| 24 | 1995 | 16268.00 |
| 25 | 1994 | 13200.00 |
| 26 | 1993 | 13248.00 |
| 27 | 1991 | 11706.00 |
| 28 | 1990 | 11232.00 |
| 29 | 1989 | 10072.00 |
