71% (2005)

53% (1994)

48% (1983)

64% (1972)

49% (1991)

65% (1996)

71% (1990)

63% (1997)

62% (2005)

65% (2008)

74% (1979)

67% (2012)

64% (2024)

78% (1995)

57% (1978)

68% (2007)

60% (1999)

69% (2004)

69% (1994)

67% (1999)