85% (1994)

72% (1996)

80% (2007)

75% (2000)

64% (2014)

76% (1997)

64% (2001)

61% (2004)

65% (1995)

67% (1998)

66% (1994)

55% (2005)

62% (1997)

73% (1999)

59% (2002)

71% (2004)

54% (1996)

58% (2007)

63% (1992)

73% (1994)