| 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 | 54275.56 |
| 8 | 2009 | 53743.73 |
| 9 | 2008 | 56031.58 |
| 10 | 2007 | 50689.92 |
| 11 | 2006 | 49181.87 |
| 12 | 2005 | 45014.06 |
| 13 | 2004 | 44492.29 |
| 14 | 2003 | 38805.89 |
| 15 | 2002 | 41245.13 |
| 16 | 2001 | 38190.99 |
| 17 | 2000 | 37757.12 |
| 18 | 1999 | 42713.45 |
