45% (2004)

54% (1998)

59% (2000)

72% (1994)

67% (2001)

52% (2002)

67% (1997)

65% (1990)

65% (1996)

75% (1993)

47% (2004)

75% (1999)

50% (2002)

75% (2000)

45% (2001)

63% (1996)

0% (1998)

66% (1997)

54% (2000)

54% (1995)