74% (1986)

69% (2009)

79% (1977)

68% (2012)

61% (2015)

70% (2007)

74% (2017)

61% (2019)

70% (2018)

75% (1998)

81% (1987)

72% (2003)

56% (2020)

72% (2004)

68% (2006)

81% (1976)

55% (2005)

48% (2012)

69% (2006)

80% (1974)