| 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 | 30463.07 |
| 8 | 2009 | 28447.63 |
| 9 | 2008 | 27419.35 |
| 10 | 2007 | 34631.00 |
| 11 | 2006 | 35767.86 |
| 12 | 2005 | 35821.49 |
| 13 | 2004 | 30120.60 |
| 14 | 2003 | 23004.37 |
| 15 | 2002 | 25922.25 |
| 16 | 2001 | 23968.77 |
| 17 | 2000 | 24636.05 |
| 18 | 1999 | 23796.17 |
