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 | 875439.00 |
| 7 | 2019 | 868071.00 |
| 8 | 2018 | 1129097.00 |
| 9 | 2017 | 1147103.00 |
| 10 | 2016 | 1130537.00 |
| 11 | 2015 | 1169606.00 |
| 12 | 2014 | 1210440.00 |
| 13 | 2013 | 1198326.00 |
| 14 | 2012 | 1181768.00 |
| 15 | 2011 | 1137917.00 |
| 16 | 2010 | 1138778.00 |
| 17 | 2009 | 1121337.00 |
| 18 | 2008 | 1078344.00 |
| 19 | 2007 | 1010587.00 |
| 20 | 2006 | 1039016.00 |
| 21 | 2005 | 1039824.00 |
| 22 | 2004 | 996882.00 |
| 23 | 2003 | 973545.00 |
| 24 | 2002 | 962089.00 |
| 25 | 2001 | 955287.00 |
| 26 | 2000 | 938018.00 |
| 27 | 1999 | 954259.00 |
| 28 | 1998 | 928352.00 |
| 29 | 1997 | 867966.00 |
| 30 | 1996 | 873694.00 |
| 31 | 1995 | 919716.00 |
| 32 | 1994 | 838355.00 |
| 33 | 1993 | 774210.00 |
| 34 | 1992 | 738907.00 |
| 35 | 1991 | 702408.00 |
| 36 | 1990 | 675319.00 |
| 37 | 1989 | 646026.00 |
| 38 | 1988 | 621006.00 |
| 39 | 1987 | 592560.00 |
| 40 | 1986 | 597506.00 |
| 41 | 1985 | 573580.00 |
| 42 | 1984 | 530340.00 |
| 43 | 1983 | 507767.00 |
| 44 | 1982 | 504060.00 |
| 45 | 1981 | 491226.00 |
| 46 | 1980 | 506508.00 |
| 47 | 1979 | 509812.00 |
| 48 | 1978 | 464853.00 |
| 49 | 1977 | 461963.00 |
| 50 | 1976 | 456061.00 |
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