69% (2001)

53% (2003)

54% (1979)

42% (2000)

67% (1989)

50% (2005)

70% (1984)

66% (1964)

63% (2010)

58% (2006)

50% (2016)

75% (2013)

35% (2000)

74% (2000)

65% (2013)

57% (1992)

76% (2015)

53% (2002)

68% (1993)

76% (2005)