单位:吨/公顷
时间范围:1964 - 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 | 2.84 |
7 | 2019 | 2.76 |
8 | 2018 | 2.88 |
9 | 2017 | 2.75 |
10 | 2016 | 2.91 |
11 | 2015 | 2.62 |
12 | 2014 | 2.70 |
13 | 2013 | 2.50 |
14 | 2012 | 2.44 |
15 | 2011 | 2.34 |
16 | 2010 | 2.55 |
17 | 2009 | 2.54 |
18 | 2008 | 2.20 |
19 | 2007 | 2.41 |
20 | 2006 | 2.48 |
21 | 2005 | 2.37 |
22 | 2004 | 2.31 |
23 | 2003 | 2.11 |
24 | 2002 | 2.41 |
25 | 2001 | 2.32 |
26 | 2000 | 2.33 |
27 | 1999 | 2.23 |
28 | 1998 | 2.24 |
29 | 1997 | 2.31 |
30 | 1996 | 2.11 |
31 | 1995 | 2.04 |
32 | 1994 | 2.22 |
33 | 1993 | 1.95 |
34 | 1992 | 2.07 |
35 | 1991 | 1.95 |
36 | 1990 | 1.92 |
37 | 1989 | 1.84 |
38 | 1988 | 1.72 |
39 | 1987 | 1.92 |
40 | 1986 | 1.90 |
41 | 1985 | 1.87 |
42 | 1984 | 1.73 |
43 | 1983 | 1.64 |
44 | 1982 | 1.80 |
45 | 1981 | 1.72 |
46 | 1980 | 1.63 |
47 | 1979 | 1.82 |
48 | 1978 | 1.64 |
49 | 1977 | 1.66 |
50 | 1976 | 1.49 |
51 | 1975 | 1.65 |
52 | 1974 | 1.38 |
53 | 1973 | 1.60 |
54 | 1972 | 1.48 |
55 | 1971 | 1.53 |
56 | 1970 | 1.49 |
57 | 1969 | 1.46 |
58 | 1968 | 1.46 |
59 | 1967 | 1.35 |
60 | 1966 | 1.38 |
61 | 1965 | 1.23 |
62 | 1964 | 1.14 |
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