57% (2006)

61% (1995)

72% (2002)

71% (1999)

78% (1977)

72% (2022)

76% (2021)

66% (2020)

59% (2018)

69% (2018)

66% (2014)

56% (2014)

68% (2014)

65% (2011)

61% (1986)

57% (2008)

65% (2004)

49% (2004)

41% (2003)

52% (1989)