67% (1973)

70% (1968)

75% (2020)

67% (1975)

70% (1992)

68% (1963)

60% (1969)

75% (1973)

69% (1977)

70% (1975)

66% (1996)

52% (1992)

66% (1993)

64% (1970)

71% (2021)

60% (1994)

0% (1980)

70% (1964)

42% (2006)

65% (2003)