| 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 | 51814.25 |
| 8 | 2009 | 48712.08 |
| 9 | 2008 | 48130.00 |
| 10 | 2007 | 46600.33 |
| 11 | 2006 | 42913.76 |
| 12 | 2005 | 41248.01 |
| 13 | 2004 | 39154.00 |
| 14 | 2003 | 36670.32 |
| 15 | 2002 | 37011.29 |
| 16 | 2001 | 38847.58 |
| 17 | 2000 | 39530.19 |
| 18 | 1999 | 41044.28 |
