36% (2005)

60% (1992)

50% (2002)

71% (1996)

70% (2001)

68% (1994)

68% (1993)

66% (2003)

56% (2005)

61% (1999)

75% (2000)

20% (1997)

0% (1998)

0% (1998)

64% (1996)

10% (1996)

0% (2000)

55% (1994)

64% (2004)

10% (1993)