71% (2015)

62% (2003)

50% (1966)

69% (1978)

60% (2014)

40% (1969)

70% (1977)

68% (1984)

43% (2008)

70% (1993)

61% (2014)

72% (2019)

63% (1981)

86% (2017)

60% (2002)

71% (1985)

65% (1969)

66% (1989)

60% (1976)

75% (1949)