10% (1977)

66% (1999)

83% (2020)

65% (1980)

0% (1960)

0% (1983)

20% (2002)

0% (1985)

73% (1981)

59% (1989)

0% (1968)

51% (1982)

50% (1973)

46% (2002)

0% (1969)

0% (1948)

50% (1980)

50% (1974)

85% (1963)

62% (2014)