| 序号 | 时间 (年) |
数据 (千克/公顷) |
|---|---|---|
| 1 | 2017 | |
| 2 | 2016 | |
| 3 | 2015 | |
| 4 | 2014 | |
| 5 | 2013 | |
| 6 | 2011 | |
| 7 | 2010 | |
| 8 | 2009 | |
| 9 | 2008 | |
| 10 | 2007 | |
| 11 | 2006 | 38310.94 |
| 12 | 2005 | 29082.61 |
| 13 | 2004 | 29778.26 |
| 14 | 2003 | 29747.83 |
| 15 | 2002 | 31488.24 |
| 16 | 2001 | 36701.89 |
| 17 | 2000 | 33573.08 |
| 18 | 1999 | 31673.68 |
