单位:千头
时间范围:1976 - 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 | 565000.00 |
| 7 | 2019 | 440000.00 |
| 8 | 2018 | 687500.00 |
| 9 | 2017 | 705000.00 |
| 10 | 2016 | 672500.00 |
| 11 | 2015 | 698000.00 |
| 12 | 2014 | 731500.00 |
| 13 | 2013 | 718000.00 |
| 14 | 2012 | 711000.00 |
| 15 | 2011 | 670250.00 |
| 16 | 2010 | 667000.00 |
| 17 | 2009 | 657000.00 |
| 18 | 2008 | 639000.00 |
| 19 | 2007 | 592080.00 |
| 20 | 2006 | 605823.00 |
| 21 | 2005 | 618587.00 |
| 22 | 2004 | 583062.00 |
| 23 | 2003 | 555781.00 |
| 24 | 2002 | 542583.00 |
| 25 | 2001 | 538950.00 |
| 26 | 2000 | 506573.00 |
| 27 | 1999 | 531694.00 |
| 28 | 1998 | 528000.00 |
| 29 | 1997 | 505117.00 |
| 30 | 1996 | 432000.00 |
| 31 | 1995 | 505000.00 |
| 32 | 1994 | 445354.00 |
| 33 | 1993 | 390000.00 |
| 34 | 1992 | 369261.00 |
| 35 | 1991 | 340000.00 |
| 36 | 1990 | 322509.00 |
| 37 | 1989 | 303808.00 |
| 38 | 1988 | 293275.00 |
| 39 | 1987 | 255369.00 |
| 40 | 1986 | 266110.00 |
| 41 | 1985 | 266790.00 |
| 42 | 1984 | 231804.00 |
| 43 | 1983 | 206987.00 |
| 44 | 1982 | 210358.00 |
| 45 | 1981 | 185796.00 |
| 46 | 1980 | 186798.00 |
| 47 | 1979 | 208522.00 |
| 48 | 1978 | 173073.00 |
| 49 | 1977 | 174713.00 |
| 50 | 1976 | 174891.00 |
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