55% (2004)

49% (2003)

62% (2011)

38% (2005)

58% (2004)

55% (1996)

63% (1994)

64% (2008)

42% (2003)

63% (2010)

53% (2003)

48% (2004)

64% (2010)

49% (1996)

74% (2006)

81% (2000)

45% (1996)

65% (2004)

62% (1999)

70% (2000)