69% (2012)

74% (1999)

79% (2004)

74% (2013)

68% (2009)

51% (1997)

78% (2012)

70% (2008)

78% (2018)

38% (1998)

53% (1997)

66% (1997)

73% (2011)

66% (2018)

41% (1999)

54% (1998)

74% (2013)

72% (1994)

63% (1995)

73% (1998)