69% (2010)

75% (2014)

84% (2017)

52% (2021)

53% (1979)

83% (2003)

50% (2016)

70% (1994)

72% (1998)

79% (1970)

80% (2000)

72% (1993)

69% (2006)

83% (2014)

67% (2007)

74% (2010)

79% (2007)

50% (1978)

55% (1999)

65% (2004)