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 | 4.55 |
7 | 2019 | 4.65 |
8 | 2018 | 4.13 |
9 | 2017 | 4.32 |
10 | 2016 | 4.80 |
11 | 2015 | 4.78 |
12 | 2014 | 5.11 |
13 | 2013 | 4.86 |
14 | 2012 | 4.79 |
15 | 2011 | 4.50 |
16 | 2010 | 4.64 |
17 | 2009 | 4.43 |
18 | 2008 | 4.41 |
19 | 2007 | 4.77 |
20 | 2006 | 4.50 |
21 | 2005 | 4.00 |
22 | 2004 | 3.75 |
23 | 2003 | 3.72 |
24 | 2002 | 4.17 |
25 | 2001 | 2.83 |
26 | 2000 | 3.00 |
27 | 1999 | 2.64 |
28 | 1998 | 2.77 |
29 | 1997 | 2.14 |
30 | 1996 | 2.00 |
31 | 1995 | 1.81 |
32 | 1994 | 1.42 |
33 | 1993 | 1.18 |
34 | 1992 | 1.53 |
35 | 1991 | 1.25 |
36 | 1990 | 1.28 |
37 | 1989 | 0.99 |
38 | 1988 | 1.23 |
39 | 1987 | 1.06 |
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