51% (1990)

77% (2020)

59% (1995)

78% (2009)

74% (1990)

90% (2023)

60% (2001)

48% (2014)

62% (1991)

30% (2008)

60% (1965)

84% (2004)

30% (1962)

52% (1960)

68% (1992)

38% (1997)

28% (1997)

20% (2007)

56% (2007)

77% (2010)