70% (1992)

72% (1978)

68% (2004)

42% (1994)

50% (2012)

72% (1994)

52% (2009)

64% (1993)

51% (1995)

62% (1996)

74% (1991)

67% (1990)

69% (1996)

56% (2009)

61% (1986)

54% (2001)

37% (1998)

68% (1994)

71% (1985)

66% (2013)