83% (1995)

64% (2008)

71% (2002)

72% (1969)

86% (2006)

69% (1960)

72% (1996)

55% (2003)

79% (1981)

55% (1994)

75% (1992)

78% (2016)

62% (1987)

78% (2005)

79% (2001)

76% (1990)

69% (1982)

71% (2003)

65% (2013)

82% (2005)