Parties in Switzerland: National Council elections 1971–2007 - Strength of left-wing and central parties (percentage of votes) |
Parties in Switzerland: National Council elections 1971–2007 - Strength of right-wing parties (percentage of votes) |
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Parties in Switzerland: National Council elections 1971–2007 - Cumulated voter percentage of the governmental parties |
Parties in Switzerland: National Council elections 1971–2007 - Number of parties |
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