66% (1993)

63% (2006)

71% (1993)

68% (1994)

69% (1994)

66% (1994)

73% (1997)

69% (1996)

68% (1996)

72% (1996)

71% (1997)

70% (1997)

67% (2008)

60% (1997)

0% (2008)