46% (2004)

71% (1994)

60% (2000)

55% (1998)

70% (2003)

69% (2001)

65% (1996)

0% (1998)

55% (1995)

65% (1996)

75% (1993)

75% (1999)

70% (2004)

61% (2004)

73% (2003)

60% (1999)

50% (2002)

59% (2006)

67% (1997)

47% (2001)