52% (2000)

73% (2000)

66% (2004)

60% (2003)

0% (1991)

20% (2004)

49% (2004)

0% (1998)

52% (2004)

50% (1995)

56% (2001)

60% (2003)

0% (2006)

80% (1997)

40% (2007)

50% (2004)

42% (1999)

0% (2008)

60% (2007)

75% (2004)