| 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 | 4532.15 |
| 8 | 2009 | 4518.04 |
| 9 | 2008 | 4483.99 |
| 10 | 2007 | 4476.05 |
| 11 | 2006 | 4473.54 |
| 12 | 2005 | 4085.82 |
| 13 | 2004 | 4154.25 |
| 14 | 2003 | 4128.16 |
| 15 | 2002 | 3328.76 |
| 16 | 2001 | 3931.77 |
| 17 | 2000 | 3594.69 |
| 18 | 1999 | 3687.78 |
