单位:%
时间范围:1960 - 2025
数据来源:美国农业部
序号 | 时间(年) | 数据(%) |
---|---|---|
1 | 2025 | |
2 | 2024 | |
3 | 2023 | |
4 | 2022 | |
5 | 2021 | |
6 | 2020 | 21.67 |
7 | 2019 | 24.00 |
8 | 2018 | 22.22 |
9 | 2017 | 20.00 |
10 | 2016 | 20.00 |
11 | 2015 | 20.00 |
12 | 2014 | 20.00 |
13 | 2013 | 20.00 |
14 | 2012 | 20.00 |
15 | 2011 | 20.00 |
16 | 2010 | 20.00 |
17 | 2009 | 20.00 |
18 | 2008 | 20.00 |
19 | 2007 | 20.00 |
20 | 2006 | 20.00 |
21 | 2005 | 20.00 |
22 | 2004 | 20.00 |
23 | 2003 | 20.00 |
24 | 2002 | 20.00 |
25 | 2001 | 20.00 |
26 | 2000 | 20.00 |
27 | 1999 | 20.00 |
28 | 1998 | 20.00 |
29 | 1997 | 20.00 |
30 | 1996 | 18.18 |
31 | 1995 | 3.23 |
32 | 1994 | 33.33 |
33 | 1993 | 27.27 |
34 | 1992 | 26.67 |
35 | 1991 | 7.41 |
36 | 1990 | 4.32 |
37 | 1989 | 17.65 |
38 | 1988 | 25.21 |
39 | 1987 | 15.71 |
40 | 1986 | 25.11 |
41 | 1985 | 25.74 |
42 | 1984 | 19.63 |
43 | 1983 | 21.95 |
44 | 1982 | 14.09 |
45 | 1981 | 18.09 |
46 | 1980 | 17.94 |
47 | 1979 | 50.48 |
48 | 1978 | 15.19 |
49 | 1977 | 15.09 |
50 | 1976 | 12.16 |
51 | 1975 | 15.93 |
52 | 1974 | 20.22 |
53 | 1973 | 36.17 |
54 | 1972 | 19.59 |
55 | 1971 | 11.42 |
56 | 1970 | 4.51 |
57 | 1969 | 11.00 |
58 | 1968 | 2.77 |
59 | 1967 | 20.72 |
60 | 1966 | 20.63 |
61 | 1965 | 1.31 |
62 | 1964 | 6.20 |
63 | 1963 | 12.65 |
64 | 1962 | 18.31 |
65 | 1961 | 4.82 |
66 | 1960 | 5.48 |
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