54% (2002)

74% (1999)

66% (2003)

45% (1999)

76% (2001)

61% (1989)

84% (1997)

51% (1956)

81% (1993)

55% (1982)

66% (2006)

51% (2019)

78% (2008)

50% (2006)

65% (1981)

60% (1989)

67% (1992)

67% (2010)

76% (1992)

76% (1981)