47% (2006)

55% (1994)

66% (2003)

65% (1994)

50% (2003)

71% (2002)

66% (1997)

49% (2001)

57% (2000)

48% (2005)

27% (2007)

45% (2000)

45% (1996)

57% (1997)

42% (2003)

44% (1992)

49% (2007)

81% (2000)

71% (1999)

50% (1994)