76% (1989)

75% (1976)

77% (2015)

71% (2007)

73% (2015)

62% (2002)

74% (1997)

47% (2004)

67% (1980)

65% (2004)

55% (2008)

71% (1983)

77% (1995)

60% (1998)

62% (2005)

68% (2021)

53% (2022)

65% (2008)

63% (2015)

63% (2013)