72% (2012)

75% (1993)

67% (1994)

61% (1986)

67% (1984)

65% (1990)

73% (1987)

65% (2018)

72% (2013)

69% (2015)

60% (1998)

71% (2023)

58% (2007)

66% (2004)

68% (2018)

64% (1995)

60% (2005)

67% (1992)

45% (1977)

57% (1997)