69% (2005)

68% (1997)

63% (2004)

56% (2001)

65% (2002)

59% (1997)

0% (1996)

44% (2003)

60% (2004)

67% (2005)

67% (2004)

69% (1996)

70% (2000)

50% (1998)

0% (2003)

70% (1994)

0% (1993)

0% (1993)

20% (1998)

0% (2004)