66% (2004)

49% (2004)

74% (2000)

52% (2000)

66% (2003)

52% (2004)

50% (2004)

75% (2004)

56% (2001)

60% (2007)

0% (1991)

0% (1998)

0% (2008)

0% (2008)

64% (2003)

80% (1997)

20% (2004)

68% (2005)

0% (1992)

42% (1999)