74% (2004)

71% (2015)

63% (2013)

59% (2014)

62% (2013)

57% (2010)

62% (2008)

44% (2002)

63% (2004)

69% (2008)

55% (2012)

67% (2005)

60% (2006)

64% (2002)

51% (2016)

61% (2011)

66% (2009)

69% (2015)

46% (2000)

50% (2006)