30% (1967)

60% (1963)

85% (1981)

80% (2006)

70% (1983)

63% (1961)

73% (1956)

63% (1970)

63% (1977)

60% (2001)

73% (1997)

63% (1957)

80% (1989)

70% (2014)

60% (1966)

92% (2013)

68% (2019)

0% (2012)

0% (1951)

0% (1963)