Suriet 1: Number of seats in the EP accorded to the political groups following the European elections of 1984 .
Suriet 2: Number of seats per country in the EP following the accession of Spain and Portugal to the EU in 1986.
Suriet 3: Official languages in the EU following the accession of Spain and Portugal in 1986.
Suriet 4: Map showing the member states of the EU following the accession of Spain and Portugal in 1986.