55% (2004)

62% (2011)

64% (2008)

37% (2005)

64% (2010)

53% (2003)

78% (2001)

58% (2004)

49% (2008)

68% (1994)

48% (2011)

55% (1996)

49% (1996)

63% (2010)

57% (1996)

74% (2006)

55% (1999)

49% (2003)

48% (2004)

65% (2004)