Poland Animal Numbers, Swine Sow Beginning Stocks by Year
| Market Year | Sow Beginning Stocks | Unit of Measure | Growth Rate |
| 1960 | 0 | (1000 HEAD) | NA |
| 1961 | 0 | (1000 HEAD) | NA |
| 1962 | 0 | (1000 HEAD) | NA |
| 1963 | 0 | (1000 HEAD) | NA |
| 1964 | 0 | (1000 HEAD) | NA |
| 1965 | 0 | (1000 HEAD) | NA |
| 1966 | 0 | (1000 HEAD) | NA |
| 1967 | 1604 | (1000 HEAD) | NA |
| 1968 | 1564 | (1000 HEAD) | -2.49 % |
| 1969 | 1594 | (1000 HEAD) | 1.92 % |
| 1970 | 1500 | (1000 HEAD) | -5.90 % |
| 1971 | 1618 | (1000 HEAD) | 7.87 % |
| 1972 | 1904 | (1000 HEAD) | 17.68 % |
| 1973 | 2015 | (1000 HEAD) | 5.83 % |
| 1974 | 2135 | (1000 HEAD) | 5.96 % |
| 1975 | 2096 | (1000 HEAD) | -1.83 % |
| 1976 | 1760 | (1000 HEAD) | -16.03 % |
| 1977 | 1781 | (1000 HEAD) | 1.19 % |
| 1978 | 2107 | (1000 HEAD) | 18.30 % |
| 1979 | 2144 | (1000 HEAD) | 1.76 % |
| 1980 | 2376 | (1000 HEAD) | 10.82 % |
| 1981 | 2048 | (1000 HEAD) | -13.80 % |
| 1982 | 2219 | (1000 HEAD) | 8.35 % |
| 1983 | 1638 | (1000 HEAD) | -26.18 % |
| 1984 | 1644 | (1000 HEAD) | 0.37 % |
| 1985 | 1784 | (1000 HEAD) | 8.52 % |
| 1986 | 1945 | (1000 HEAD) | 9.02 % |
| 1987 | 1930 | (1000 HEAD) | -0.77 % |
| 1988 | 1942 | (1000 HEAD) | 0.62 % |
| 1989 | 1916 | (1000 HEAD) | -1.34 % |
| 1990 | 1791 | (1000 HEAD) | -6.52 % |
| 1991 | 1964 | (1000 HEAD) | 9.66 % |
| 1992 | 1952 | (1000 HEAD) | -0.61 % |
| 1993 | 1888 | (1000 HEAD) | -3.28 % |
| 1994 | 1598 | (1000 HEAD) | -15.36 % |
| 1995 | 1770 | (1000 HEAD) | 10.76 % |
| 1996 | 1856 | (1000 HEAD) | 4.86 % |
| 1997 | 1637 | (1000 HEAD) | -11.80 % |
| 1998 | 1757 | (1000 HEAD) | 7.33 % |
Source: United States Department of Agriculture
See also: Commodity prices
See also: Commodities market
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