10% (1993)

0% (2006)

56% (2005)

68% (1993)

74% (2002)

72% (1997)

70% (2001)

72% (2003)

67% (1997)

59% (2002)

53% (1995)

20% (1997)

68% (1994)

0% (2000)

50% (2003)

0% (1998)

56% (2003)

66% (2003)

56% (1996)

64% (1998)