73% (2015)

68% (2015)

68% (2004)

58% (2011)

62% (2000)

71% (2014)

60% (2008)

56% (2013)

72% (2014)

69% (1998)

57% (2003)

67% (2012)

63% (2000)

55% (2012)

53% (2012)

63% (2001)

74% (2003)

50% (1994)

58% (2009)

65% (2003)