单位:千头
时间范围:1988 - 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 | 5986.00 |
7 | 2019 | 5842.00 |
8 | 2018 | 6150.00 |
9 | 2017 | 6236.00 |
10 | 2016 | 6816.00 |
11 | 2015 | 7240.00 |
12 | 2014 | 7492.00 |
13 | 2013 | 7922.00 |
14 | 2012 | 7577.00 |
15 | 2011 | 7373.00 |
16 | 2010 | 7960.00 |
17 | 2009 | 7577.00 |
18 | 2008 | 6526.00 |
19 | 2007 | 7020.00 |
20 | 2006 | 8055.00 |
21 | 2005 | 7052.00 |
22 | 2004 | 6466.00 |
23 | 2003 | 7321.00 |
24 | 2002 | 9204.00 |
25 | 2001 | 8317.00 |
26 | 2000 | 7652.00 |
27 | 1999 | 10073.00 |
28 | 1998 | 10083.00 |
29 | 1997 | 9479.00 |
30 | 1996 | 11236.00 |
31 | 1995 | 13144.00 |
32 | 1994 | 13946.00 |
33 | 1993 | 15298.00 |
34 | 1992 | 16175.00 |
35 | 1991 | 17839.00 |
36 | 1990 | 19427.00 |
37 | 1989 | 19947.00 |
38 | 1988 | 19471.00 |
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