0% (2006)

50% (2007)

10% (1996)

68% (1994)

55% (1994)

50% (2000)

59% (2002)

70% (2001)

74% (2002)

76% (1998)

10% (1993)

54% (1995)

0% (2000)

72% (2003)

49% (1998)

75% (2000)

66% (2003)

0% (1998)

73% (1997)

60% (1992)