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 | 22722.00 |
7 | 2019 | 21842.00 |
8 | 2018 | 21567.00 |
9 | 2017 | 21757.00 |
10 | 2016 | 21424.00 |
11 | 2015 | 21348.00 |
12 | 2014 | 20496.00 |
13 | 2013 | 20922.00 |
14 | 2012 | 21283.00 |
15 | 2011 | 21262.00 |
16 | 2010 | 21297.00 |
17 | 2009 | 21807.00 |
18 | 2008 | 21706.00 |
19 | 2007 | 21269.00 |
20 | 2006 | 21789.00 |
21 | 2005 | 22320.00 |
22 | 2004 | 22872.00 |
23 | 2003 | 22444.00 |
24 | 2002 | 22140.00 |
25 | 2001 | 20702.00 |
26 | 2000 | 19684.00 |
27 | 1999 | 18921.00 |
28 | 1998 | 16943.00 |
29 | 1997 | 15385.00 |
30 | 1996 | 15178.00 |
31 | 1995 | 15771.00 |
32 | 1994 | 15476.00 |
33 | 1993 | 15202.00 |
34 | 1992 | 15468.00 |
35 | 1991 | 14323.00 |
36 | 1990 | 14683.00 |
37 | 1989 | 15439.00 |
38 | 1988 | 15439.00 |
39 | 1987 | 14735.00 |
40 | 1986 | 14444.00 |
41 | 1985 | 14452.00 |
42 | 1984 | 13886.00 |
43 | 1983 | 13703.00 |
44 | 1982 | 13458.00 |
45 | 1981 | 13692.00 |
46 | 1980 | 13978.00 |
47 | 1979 | 12001.00 |
48 | 1978 | 9938.00 |
49 | 1977 | 9037.00 |
50 | 1976 | 8969.00 |
51 | 1975 | 9164.00 |
52 | 1974 | 10700.00 |
53 | 1973 | 10657.00 |
54 | 1972 | 10997.00 |
55 | 1971 | 11352.00 |
56 | 1970 | 10351.00 |
57 | 1969 | 8636.00 |
58 | 1968 | 9190.00 |
59 | 1967 | 9268.00 |
60 | 1966 | 7897.00 |
61 | 1965 | 7932.00 |
62 | 1964 | 8296.00 |
63 | 1963 | 7622.00 |
64 | 1962 | 7698.00 |
65 | 1961 | 7589.00 |
66 | 1960 | 7804.00 |
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