74% (1964)

72% (2007)

51% (2002)

60% (1962)

71% (1990)

55% (1994)

73% (1964)

71% (1983)

75% (1971)

76% (1997)

69% (2004)

38% (1965)

0% (1994)

62% (1980)

70% (1996)

86% (2013)

79% (2003)

46% (1988)

69% (1982)

45% (1997)