65% (2013)

76% (2010)

54% (2011)

56% (2011)

64% (2017)

57% (2015)

66% (2010)

55% (2012)

55% (2001)

61% (2007)

61% (2009)

56% (2011)

65% (2006)

56% (2012)

56% (2013)

57% (2012)

64% (2010)

59% (2008)

46% (2008)

51% (2000)