75% (2004)

71% (2015)

64% (2013)

54% (2014)

62% (2014)

64% (2004)

53% (2016)

69% (2008)

69% (2009)

44% (2002)

62% (2013)

51% (2000)

65% (2015)

63% (2006)

64% (2010)

55% (2012)

62% (2008)

69% (2005)

61% (2011)

67% (2010)