65% (1999)

65% (1979)

17% (2003)

61% (2013)

68% (2004)

69% (2007)

65% (2010)

66% (2009)

69% (2009)

71% (1996)

62% (1988)

60% (1975)

61% (2013)

57% (2015)

59% (1997)

42% (2003)

61% (1992)

70% (1986)

66% (2015)

78% (1994)