72% (1984)

81% (1981)

74% (1972)

70% (1985)

62% (2007)

74% (1993)

71% (2005)

60% (2021)

71% (1982)

69% (1955)

66% (1989)

68% (2000)

60% (2002)

62% (1984)

55% (1986)

71% (2001)

58% (2002)

55% (1984)

62% (2003)

62% (1997)