Since its inception in 1990, Croatia has been ruled by the HDZ party 74.5% of the time. Is that a record in European democracies?

Source for the numbers: https://en.wikipedia.org/wiki/Prime_minister_of_Croatia

Total days of government: 12,487
Government led by HDZ: 9,301 days
Government led by SDP: 2,915 days
Government led by an independent: 271 days

9301 / 12487 ≈ 74,5%