66% (2025)

75% (1993)

78% (2014)

63% (2004)

74% (1981)

50% (1960)

70% (1968)

76% (1990)

80% (1986)

65% (1963)

71% (1974)

72% (2015)

60% (1968)

50% (1966)

87% (1983)

51% (1984)

76% (1981)

60% (1980)

80% (1999)

87% (2010)