75% (1997)

79% (1999)

0% (1964)

72% (1997)

78% (1994)

69% (1998)

76% (2000)

69% (1999)

70% (2003)

64% (2002)

58% (2006)

71% (1996)

68% (2001)

60% (2000)

67% (2000)

58% (1996)

48% (1998)

69% (1999)

25% (2006)

43% (1999)