79% (2018)

72% (2013)

63% (2005)

52% (2006)

65% (2010)

66% (2006)

53% (2008)

65% (2009)

61% (2015)

66% (2005)

59% (2004)

72% (2010)

55% (2000)

52% (2004)

63% (2006)

61% (2011)

64% (2005)

57% (2015)

57% (2005)

59% (2010)