67% (2013)

70% (2007)

60% (2019)

63% (1995)

71% (2019)

55% (2010)

69% (1980)

62% (1971)

68% (1981)

82% (2017)

52% (1983)

47% (1998)

71% (1965)

66% (1962)

43% (1984)

69% (1984)

62% (1982)

32% (2002)

62% (1972)

53% (1979)