United States Animal Numbers, Swine Sow Beginning Stocks Annual Growth Rate
| Market Year | Sow Beginning Stocks | Unit of Measure | Growth Rate |
| 1960 | 7531 | (1000 HEAD) | NA |
| 1961 | 7808 | (1000 HEAD) | 3.68% |
| 1962 | 7816 | (1000 HEAD) | 0.10% |
| 1963 | 7833 | (1000 HEAD) | 0.22% |
| 1964 | 9117 | (1000 HEAD) | 16.39% |
| 1965 | 8166 | (1000 HEAD) | -10.43% |
| 1966 | 8224 | (1000 HEAD) | 0.71% |
| 1967 | 8862 | (1000 HEAD) | 7.76% |
| 1968 | 9186 | (1000 HEAD) | 3.66% |
| 1969 | 9472 | (1000 HEAD) | 3.11% |
| 1970 | 9189 | (1000 HEAD) | -2.99% |
| 1971 | 9645 | (1000 HEAD) | 4.96% |
| 1972 | 8475 | (1000 HEAD) | -12.13% |
| 1973 | 8650 | (1000 HEAD) | 2.06% |
| 1974 | 8605 | (1000 HEAD) | -0.52% |
| 1975 | 7389 | (1000 HEAD) | -14.13% |
| 1976 | 7574 | (1000 HEAD) | 2.50% |
| 1977 | 8011 | (1000 HEAD) | 5.77% |
| 1978 | 8604 | (1000 HEAD) | 7.40% |
| 1979 | 9605 | (1000 HEAD) | 11.63% |
| 1980 | 9645 | (1000 HEAD) | 0.42% |
| 1981 | 9118 | (1000 HEAD) | -5.46% |
| 1982 | 7844 | (1000 HEAD) | -13.97% |
| 1983 | 7475 | (1000 HEAD) | -4.70% |
| 1984 | 7391 | (1000 HEAD) | -1.12% |
| 1985 | 6945 | (1000 HEAD) | -6.03% |
| 1986 | 6778 | (1000 HEAD) | -2.40% |
| 1987 | 6691 | (1000 HEAD) | -1.28% |
| 1988 | 7080 | (1000 HEAD) | 5.81% |
| 1989 | 7053 | (1000 HEAD) | -0.38% |
| 1990 | 6847 | (1000 HEAD) | -2.92% |
| 1991 | 6847 | (1000 HEAD) | 0.00% |
| 1992 | 7229 | (1000 HEAD) | 5.58% |
| 1993 | 7109 | (1000 HEAD) | -1.66% |
| 1994 | 7166 | (1000 HEAD) | 0.80% |
| 1995 | 6998 | (1000 HEAD) | -2.34% |
| 1996 | 6770 | (1000 HEAD) | -3.26% |
| 1997 | 6578 | (1000 HEAD) | -2.84% |
| 1998 | 6957 | (1000 HEAD) | 5.76% |
| 1999 | 6682 | (1000 HEAD) | -3.95% |
| 2000 | 6233 | (1000 HEAD) | -6.72% |
| 2001 | 6267 | (1000 HEAD) | 0.55% |
| 2002 | 6201 | (1000 HEAD) | -1.05% |
| 2003 | 6058 | (1000 HEAD) | -2.31% |
| 2004 | 6019 | (1000 HEAD) | -0.64% |
| 2005 | 5980 | (1000 HEAD) | -0.65% |
| 2006 | 6031 | (1000 HEAD) | 0.85% |
| 2007 | 6116 | (1000 HEAD) | 1.41% |
| 2008 | 6233 | (1000 HEAD) | 1.91% |
| 2009 | 6062 | (1000 HEAD) | -2.74% |
| 2010 | 5850 | (1000 HEAD) | -3.50% |
| 2011 | 5778 | (1000 HEAD) | -1.23% |
| 2012 | 5803 | (1000 HEAD) | 0.43% |
| 2013 | 5819 | (1000 HEAD) | 0.28% |
| 2014 | 5757 | (1000 HEAD) | -1.07% |
| 2015 | 5939 | (1000 HEAD) | 3.16% |
| 2016 | 6002 | (1000 HEAD) | 1.06% |
| 2017 | 6110 | (1000 HEAD) | 1.80% |
| 2018 | 6179 | (1000 HEAD) | 1.13% |
| 2019 | 6326 | (1000 HEAD) | 2.38% |
| 2020 | 6551 | (1000 HEAD) | 3.56% |
| 2021 | 6176 | (1000 HEAD) | -5.72% |
| 2022 | 6125 | (1000 HEAD) | -0.83% |
| 2023 | 6144 | (1000 HEAD) | 0.31% |
Source: United States Department of Agriculture
See also: Commodity prices
See also: Agricultural prices
See also: Commodities market
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