56% (1982)

49% (1986)

20% (1980)

60% (1984)

60% (1981)

55% (1987)

0% (1966)

70% (2023)

63% (1960)

35% (1983)

72% (2008)

65% (1964)

10% (1979)

60% (2008)

66% (2001)

0% (1973)

59% (2011)

60% (2015)

65% (1975)

30% (1977)