单位:吨/公顷
时间范围:1987 - 2025
数据来源:美国农业部
序号 | 时间(年) | 数据(吨/公顷) |
---|---|---|
1 | 2025 | |
2 | 2024 | |
3 | 2023 | |
4 | 2022 | |
5 | 2021 | |
6 | 2020 | 6.26 |
7 | 2019 | 4.85 |
8 | 2018 | 5.29 |
9 | 2017 | 5.56 |
10 | 2016 | 6.28 |
11 | 2015 | 6.00 |
12 | 2014 | 7.24 |
13 | 2013 | 7.56 |
14 | 2012 | 3.47 |
15 | 2011 | 3.47 |
16 | 2010 | 3.41 |
17 | 2009 | 3.66 |
18 | 2008 | 3.17 |
19 | 2007 | 3.64 |
20 | 2006 | 3.61 |
21 | 2005 | 3.19 |
22 | 2004 | 2.73 |
23 | 2003 | 2.76 |
24 | 2002 | 2.73 |
25 | 2001 | 1.70 |
26 | 2000 | 2.76 |
27 | 1999 | 2.40 |
28 | 1998 | 2.20 |
29 | 1997 | 1.87 |
30 | 1996 | 2.47 |
31 | 1995 | 1.91 |
32 | 1994 | 2.73 |
33 | 1993 | 2.96 |
34 | 1992 | 2.95 |
35 | 1991 | 3.22 |
36 | 1990 | 3.72 |
37 | 1989 | 3.01 |
38 | 1988 | 3.51 |
39 | 1987 | 3.26 |
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