"The rights enshrined in Article 3 of Protocol No. 1 are not absolute. There is room for implied limitations and the Contracting States must be afforded a margin of appreciation in this sphere. The Court has repeatedly affirmed that the margin in this area is wide (see Mathieu-Mohin and Clerfayt, cited above, § 52; Matthews [GC], cited above, § 63; Labita v. Italy [GC], no. 26772/95, § 201, ECHR 2000-IV; and Podkolzina, cited above, § 33). There are numerous ways of organising and running electoral systems and a wealth of differences, inter alia, in historical development, cultural diversity and political thought within Europe which it is for each Contracting State to mould into its own democratic vision (see Hirst (no. 2) [GC], cited above, § 61, and Scoppola (No. 3) [GC], cited above, § 83). "