79% (2018)

63% (2006)

71% (2013)

64% (2005)

53% (2006)

61% (2015)

65% (2010)

66% (2005)

65% (2009)

60% (2004)

61% (2016)

53% (2008)

62% (2005)

66% (2006)

60% (2011)

64% (2005)

57% (2015)

37% (2000)

55% (2000)

52% (2004)