Portugal Animal Numbers, Swine Beginning Stocks Annual Growth Rate
| Market Year | Beginning Stocks | Unit of Measure | Growth Rate |
| 1960 | 1596 | (1000 HEAD) | NA |
| 1961 | 1673 | (1000 HEAD) | 4.82% |
| 1962 | 1689 | (1000 HEAD) | 0.96% |
| 1963 | 1690 | (1000 HEAD) | 0.06% |
| 1964 | 1724 | (1000 HEAD) | 2.01% |
| 1965 | 1365 | (1000 HEAD) | -20.82% |
| 1966 | 1441 | (1000 HEAD) | 5.57% |
| 1967 | 1450 | (1000 HEAD) | 0.62% |
| 1968 | 1700 | (1000 HEAD) | 17.24% |
| 1969 | 1550 | (1000 HEAD) | -8.82% |
| 1970 | 1300 | (1000 HEAD) | -16.13% |
| 1971 | 1820 | (1000 HEAD) | 40.00% |
| 1972 | 1977 | (1000 HEAD) | 8.63% |
| 1973 | 2100 | (1000 HEAD) | 6.22% |
| 1974 | 1977 | (1000 HEAD) | -5.86% |
| 1975 | 2000 | (1000 HEAD) | 1.16% |
| 1976 | 2100 | (1000 HEAD) | 5.00% |
| 1977 | 1860 | (1000 HEAD) | -11.43% |
| 1978 | 1931 | (1000 HEAD) | 3.82% |
| 1979 | 1888 | (1000 HEAD) | -2.23% |
| 1980 | 2004 | (1000 HEAD) | 6.14% |
| 1981 | 2172 | (1000 HEAD) | 8.38% |
| 1982 | 2160 | (1000 HEAD) | -0.55% |
| 1983 | 2152 | (1000 HEAD) | -0.37% |
| 1984 | 2191 | (1000 HEAD) | 1.81% |
| 1985 | 2201 | (1000 HEAD) | 0.46% |
| 1986 | 2600 | (1000 HEAD) | 18.13% |
| 1987 | 2454 | (1000 HEAD) | -5.62% |
| 1988 | 2450 | (1000 HEAD) | -0.16% |
| 1989 | 2326 | (1000 HEAD) | -5.06% |
| 1990 | 2531 | (1000 HEAD) | 8.81% |
| 1991 | 2664 | (1000 HEAD) | 5.25% |
| 1992 | 2560 | (1000 HEAD) | -3.90% |
Source: United States Department of Agriculture
See also: Commodity prices
See also: Agricultural prices
See also: Commodities market
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