59% (1998)

74% (2000)

30% (2012)

60% (2001)

64% (2005)

71% (2000)

61% (2003)

55% (2009)

66% (2001)

73% (1995)

50% (1997)

66% (2000)

50% (2004)

69% (2000)

57% (2006)

60% (2004)

57% (2008)

58% (2002)

60% (2005)

65% (2008)