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 | 23021.00 |
| 7 | 2019 | 23655.00 |
| 8 | 2018 | 25699.00 |
| 9 | 2017 | 26176.00 |
| 10 | 2016 | 24971.00 |
| 11 | 2015 | 27413.00 |
| 12 | 2014 | 29102.00 |
| 13 | 2013 | 29291.00 |
| 14 | 2012 | 28418.00 |
| 15 | 2011 | 28506.00 |
| 16 | 2010 | 27550.00 |
| 17 | 2009 | 27906.00 |
| 18 | 2008 | 27321.00 |
| 19 | 2007 | 28037.00 |
| 20 | 2006 | 28393.00 |
| 21 | 2005 | 28183.00 |
| 22 | 2004 | 27465.00 |
| 23 | 2003 | 26664.00 |
| 24 | 2002 | 27870.00 |
| 25 | 2001 | 27870.00 |
| 26 | 2000 | 27720.00 |
| 27 | 1999 | 27588.00 |
| 28 | 1998 | 26688.00 |
| 29 | 1997 | 26710.00 |
| 30 | 1996 | 26780.00 |
| 31 | 1995 | 26500.00 |
| 32 | 1994 | 25736.00 |
| 33 | 1993 | 25758.00 |
| 34 | 1992 | 25182.00 |
| 35 | 1991 | 25857.00 |
| 36 | 1990 | 25026.00 |
| 37 | 1989 | 24673.00 |
| 38 | 1988 | 23938.00 |
| 39 | 1987 | 23469.00 |
| 40 | 1986 | 23540.00 |
| 41 | 1985 | 23436.00 |
| 42 | 1984 | 22784.00 |
| 43 | 1983 | 22161.00 |
| 44 | 1982 | 22478.00 |
| 45 | 1981 | 24553.00 |
| 46 | 1980 | 25168.00 |
| 47 | 1979 | 26203.00 |
| 48 | 1978 | 27112.00 |
| 49 | 1977 | 29330.00 |
| 50 | 1976 | 31533.00 |
| 51 | 1975 | 33434.00 |
| 52 | 1974 | 32793.00 |
| 53 | 1973 | 30839.00 |
| 54 | 1972 | 29101.00 |
| 55 | 1971 | 27373.00 |
| 56 | 1970 | 24373.00 |
| 57 | 1969 | 22162.00 |
| 58 | 1968 | 20611.00 |
| 59 | 1967 | 19218.00 |
| 60 | 1966 | 18270.00 |
| 61 | 1965 | 17936.00 |
| 62 | 1964 | 18816.00 |
| 63 | 1963 | 19055.00 |
| 64 | 1962 | 18549.00 |
| 65 | 1961 | 18033.00 |
| 66 | 1960 | 17332.00 |
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