单位:公斤/公顷
时间范围:1987 - 2025
数据来源:美国农业部
| 序号 | 时间(年) | 数据(公斤/公顷) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | 653.00 |
| 7 | 2019 | 506.00 |
| 8 | 2018 | 543.00 |
| 9 | 2017 | 791.00 |
| 10 | 2016 | 762.00 |
| 11 | 2015 | 644.00 |
| 12 | 2014 | 661.00 |
| 13 | 2013 | 687.00 |
| 14 | 2012 | 742.00 |
| 15 | 2011 | 645.00 |
| 16 | 2010 | 677.00 |
| 17 | 2009 | 646.00 |
| 18 | 2008 | 705.00 |
| 19 | 2007 | 815.00 |
| 20 | 2006 | 815.00 |
| 21 | 2005 | 844.00 |
| 22 | 2004 | 798.00 |
| 23 | 2003 | 637.00 |
| 24 | 2002 | 704.00 |
| 25 | 2001 | 731.00 |
| 26 | 2000 | 672.00 |
| 27 | 1999 | 749.00 |
| 28 | 1998 | 664.00 |
| 29 | 1997 | 752.00 |
| 30 | 1996 | 705.00 |
| 31 | 1995 | 838.00 |
| 32 | 1994 | 798.00 |
| 33 | 1993 | 779.00 |
| 34 | 1992 | 764.00 |
| 35 | 1991 | 839.00 |
| 36 | 1990 | 871.00 |
| 37 | 1989 | 841.00 |
| 38 | 1988 | 860.00 |
| 39 | 1987 | 713.00 |
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