| 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 | 4670.61 |
| 8 | 2009 | 4646.25 |
| 9 | 2008 | 4597.55 |
| 10 | 2007 | 4421.87 |
| 11 | 2006 | 4116.77 |
| 12 | 2005 | 3834.78 |
| 13 | 2004 | 3758.47 |
| 14 | 2003 | 2787.06 |
| 15 | 2002 | 3159.80 |
| 16 | 2001 | 3078.84 |
| 17 | 2000 | 2950.49 |
| 18 | 1999 | 3068.03 |
