| 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 | 53426.45 |
| 8 | 2009 | 53629.08 |
| 9 | 2008 | 46586.21 |
| 10 | 2007 | 53315.97 |
| 11 | 2006 | 47451.39 |
| 12 | 2005 | 55186.22 |
| 13 | 2004 | 56017.12 |
| 14 | 2003 | 39484.14 |
| 15 | 2002 | 35522.49 |
| 16 | 2001 | 44170.80 |
| 17 | 2000 | 38721.64 |
| 18 | 1999 | 36890.38 |
