73% (1995)

74% (1989)

77% (2004)

50% (2006)

83% (2002)

44% (2003)

65% (1978)

78% (2008)

74% (2016)

72% (1994)

40% (2019)

81% (1982)

72% (1994)

75% (1999)

54% (2002)

54% (1960)

69% (1998)

67% (2005)

67% (2023)

65% (1960)