73% (2011)

52% (2010)

88% (2012)

54% (2004)

38% (2004)

68% (2007)

70% (2011)

40% (2006)

54% (2011)

56% (2006)

60% (2004)

70% (2016)

58% (2001)

55% (2008)

47% (2010)

58% (2002)

63% (2007)

65% (2016)

68% (2007)

70% (2000)