58% (1973)

41% (1994)

42% (1982)

49% (2015)

66% (1977)

71% (1980)

48% (1982)

63% (1986)

72% (1970)

75% (1974)

64% (1983)

71% (1981)

40% (2013)

37% (2020)

54% (1980)

63% (1983)

42% (1987)

45% (1968)

60% (1983)

41% (1984)