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 | 2.87 |
7 | 2019 | 2.30 |
8 | 2018 | 2.26 |
9 | 2017 | 2.88 |
10 | 2016 | 2.67 |
11 | 2015 | 3.26 |
12 | 2014 | 3.46 |
13 | 2013 | 2.65 |
14 | 2012 | 3.22 |
15 | 2011 | 2.85 |
16 | 2010 | 2.40 |
17 | 2009 | 3.31 |
18 | 2008 | 3.32 |
19 | 2007 | 2.61 |
20 | 2006 | 2.26 |
21 | 2005 | 2.63 |
22 | 2004 | 3.08 |
23 | 2003 | 2.00 |
24 | 2002 | 2.19 |
25 | 2001 | 1.80 |
26 | 2000 | 1.74 |
27 | 1999 | 1.26 |
28 | 1998 | 1.71 |
29 | 1997 | 2.53 |
30 | 1996 | 2.11 |
31 | 1995 | 1.89 |
32 | 1994 | 2.07 |
33 | 1993 | 2.82 |
34 | 1992 | 2.17 |
35 | 1991 | 2.09 |
36 | 1990 | 2.20 |
37 | 1989 | 2.49 |
38 | 1988 | 1.92 |
39 | 1987 | 2.61 |
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