54% (2004)

79% (2011)

49% (2013)

62% (2007)

44% (2007)

64% (1993)

46% (2007)

72% (2012)

59% (2011)

49% (2008)

50% (2008)

66% (2009)

60% (2009)

68% (2007)

62% (2005)

45% (2008)

48% (2008)

69% (1993)

64% (2008)

70% (2007)