75% (1997)

79% (1999)

0% (1964)

72% (1997)

78% (1994)

76% (2000)

70% (2003)

69% (1999)

69% (1998)

60% (2000)

71% (1996)

58% (2006)

69% (2001)

58% (1996)

64% (2002)

70% (1999)

0% (1995)

58% (1999)

48% (2006)

61% (1996)