71% (2000)

72% (1976)

70% (2019)

63% (1972)

72% (2016)

62% (2014)

62% (1964)

65% (1987)

57% (1984)

57% (1977)

63% (1997)

60% (1985)

67% (1970)

79% (2000)

80% (2003)

69% (2006)

72% (2021)

67% (1970)

66% (2017)

61% (2006)