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 | 19973.00 |
7 | 2019 | 19889.00 |
8 | 2018 | 19118.00 |
9 | 2017 | 18191.00 |
10 | 2016 | 19504.00 |
11 | 2015 | 17600.00 |
12 | 2014 | 16812.00 |
13 | 2013 | 16953.00 |
14 | 2012 | 16340.00 |
15 | 2011 | 13308.00 |
16 | 2010 | 14923.00 |
17 | 2009 | 14916.00 |
18 | 2008 | 13792.00 |
19 | 2007 | 14422.00 |
20 | 2006 | 13943.00 |
21 | 2005 | 13817.00 |
22 | 2004 | 14796.00 |
23 | 2003 | 15856.00 |
24 | 2002 | 15906.00 |
25 | 2001 | 15029.00 |
26 | 2000 | 13841.00 |
27 | 1999 | 13053.00 |
28 | 1998 | 12426.00 |
29 | 1997 | 11685.00 |
30 | 1996 | 11037.00 |
31 | 1995 | 10881.00 |
32 | 1994 | 10064.00 |
33 | 1993 | 10322.00 |
34 | 1992 | 10081.00 |
35 | 1991 | 9131.00 |
36 | 1990 | 8493.00 |
37 | 1989 | 9578.00 |
38 | 1988 | 9004.00 |
39 | 1987 | 8623.00 |
40 | 1986 | 7084.00 |
41 | 1985 | 6985.00 |
42 | 1984 | 6124.00 |
43 | 1983 | 7494.00 |
44 | 1982 | 4677.00 |
45 | 1981 | 4368.00 |
46 | 1980 | 3273.00 |
47 | 1979 | 5174.00 |
48 | 1978 | 3296.00 |
49 | 1977 | 1879.00 |
50 | 1976 | 2998.00 |
51 | 1975 | 1480.00 |
52 | 1974 | 2103.00 |
53 | 1973 | 2112.00 |
54 | 1972 | 1730.00 |
55 | 1971 | 1798.00 |
56 | 1970 | 1401.00 |
57 | 1969 | 1610.00 |
58 | 1968 | 1310.00 |
59 | 1967 | 1254.00 |
60 | 1966 | 1953.00 |
61 | 1965 | 1222.00 |
62 | 1964 | 971.00 |
63 | 1963 | 919.00 |
64 | 1962 | 1191.00 |
65 | 1961 | 1007.00 |
66 | 1960 | 1096.00 |
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