Statistiques du commerce extérieur.
Continent, Açores et Madère =
Estatísticas do comércio externo. Continente, Açores e Madeira /
Portugal Instituto Nacional de Estatística, Serviços Centrais.

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Item Link Original Source
Limited (search only)   1976 University of California
Limited (search only)   1977 University of California
Limited (search only)   1978 University of California
Limited (search only)   1979 University of California
Limited (search only)   1980:1 University of California
Limited (search only)   1980:2 University of California
Limited (search only)   1981 University of California
Limited (search only)   1982 University of California
Limited (search only)   1983 University of California
Limited (search only)   1984 University of California
Limited (search only)   1985 University of California
Limited (search only)   1986 University of California
Limited (search only)   1987-89 University of California