单位:千头
时间范围:1960 - 2025
数据来源:美国农业部
序号 | 时间(年) | 数据(千头) |
---|---|---|
1 | 2025 | |
2 | 2024 | |
3 | 2023 | |
4 | 2022 | |
5 | 2021 | |
6 | 2020 | 31254.00 |
7 | 2019 | 31223.00 |
8 | 2018 | 30393.00 |
9 | 2017 | 29683.00 |
10 | 2016 | 29694.00 |
11 | 2015 | 27692.00 |
12 | 2014 | 26726.00 |
13 | 2013 | 26871.00 |
14 | 2012 | 24522.00 |
15 | 2011 | 21773.00 |
16 | 2010 | 23646.00 |
17 | 2009 | 23139.00 |
18 | 2008 | 22536.00 |
19 | 2007 | 22943.00 |
20 | 2006 | 22043.00 |
21 | 2005 | 21863.00 |
22 | 2004 | 23164.00 |
23 | 2003 | 23967.00 |
24 | 2002 | 23763.00 |
25 | 2001 | 22380.00 |
26 | 2000 | 20843.00 |
27 | 1999 | 19755.00 |
28 | 1998 | 19522.00 |
29 | 1997 | 18205.00 |
30 | 1996 | 17500.00 |
31 | 1995 | 16839.00 |
32 | 1994 | 15994.00 |
33 | 1993 | 15786.00 |
34 | 1992 | 15128.00 |
35 | 1991 | 13660.00 |
36 | 1990 | 13295.00 |
37 | 1989 | 14431.00 |
38 | 1988 | 13286.00 |
39 | 1987 | 11971.00 |
40 | 1986 | 9938.00 |
41 | 1985 | 9838.00 |
42 | 1984 | 9773.00 |
43 | 1983 | 9679.00 |
44 | 1982 | 6511.00 |
45 | 1981 | 6130.00 |
46 | 1980 | 6118.00 |
47 | 1979 | 6972.00 |
48 | 1978 | 4784.00 |
49 | 1977 | 3832.00 |
50 | 1976 | 4246.00 |
51 | 1975 | 3298.00 |
52 | 1974 | 3699.00 |
53 | 1973 | 3362.00 |
54 | 1972 | 3063.00 |
55 | 1971 | 2919.00 |
56 | 1970 | 2739.00 |
57 | 1969 | 3006.00 |
58 | 1968 | 2606.00 |
59 | 1967 | 2711.00 |
60 | 1966 | 3335.00 |
61 | 1965 | 2478.00 |
62 | 1964 | 2481.00 |
63 | 1963 | 2591.00 |
64 | 1962 | 2417.00 |
65 | 1961 | 2404.00 |
66 | 1960 | 2535.00 |
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