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 | 100.00 |
7 | 2019 | 100.00 |
8 | 2018 | 100.00 |
9 | 2017 | 50.00 |
10 | 2016 | 50.00 |
11 | 2015 | 50.00 |
12 | 2014 | 50.00 |
13 | 2013 | 33.00 |
14 | 2012 | 25.00 |
15 | 2011 | 40.00 |
16 | 2010 | 75.00 |
17 | 2009 | 43.00 |
18 | 2008 | 40.00 |
19 | 2007 | 29.00 |
20 | 2006 | 18.18 |
21 | 2005 | 35.38 |
22 | 2004 | 37.65 |
23 | 2003 | 40.00 |
24 | 2002 | 35.71 |
25 | 2001 | 37.60 |
26 | 2000 | 37.33 |
27 | 1999 | 48.00 |
28 | 1998 | 46.00 |
29 | 1997 | 42.59 |
30 | 1996 | 39.00 |
31 | 1995 | 34.78 |
32 | 1994 | 30.54 |
33 | 1993 | 33.06 |
34 | 1992 | 36.15 |
35 | 1991 | 43.00 |
36 | 1990 | 34.40 |
37 | 1989 | 28.67 |
38 | 1988 | 24.57 |
39 | 1987 | 21.50 |
40 | 1986 | 20.72 |
41 | 1985 | 22.75 |
42 | 1984 | 20.68 |
43 | 1983 | 20.44 |
44 | 1982 | 32.70 |
45 | 1981 | 33.45 |
46 | 1980 | 26.36 |
47 | 1979 | 27.15 |
48 | 1978 | 33.00 |
49 | 1977 | 32.45 |
50 | 1976 | 31.07 |
51 | 1975 | 29.29 |
52 | 1974 | 25.77 |
53 | 1973 | 22.11 |
54 | 1972 | 21.11 |
55 | 1971 | 16.47 |
56 | 1970 | 14.81 |
57 | 1969 | 15.58 |
58 | 1968 | 16.44 |
59 | 1967 | 15.94 |
60 | 1966 | 17.91 |
61 | 1965 | 18.18 |
62 | 1964 | 16.92 |
63 | 1963 | 21.88 |
64 | 1962 | 22.22 |
65 | 1961 | 18.75 |
66 | 1960 | 21.15 |
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