49% (1984)

65% (2004)

62% (1995)

35% (1965)

62% (1989)

45% (1960)

57% (1967)

64% (1976)

40% (1999)

0% (2003)

75% (1960)

72% (1991)

71% (2018)

67% (2005)

61% (1977)

60% (1983)

84% (1987)

59% (2004)

57% (1984)

56% (1959)