72% (1984)

81% (1981)

70% (1985)

74% (1972)

60% (2021)

71% (2005)

74% (1993)

71% (1982)

67% (2000)

75% (2002)

49% (1979)

65% (1989)

63% (2007)

61% (2007)

63% (1997)

67% (1951)

71% (2001)

55% (1986)

60% (2002)

76% (1972)