0% (1970)

60% (1953)

80% (1961)

45% (1999)

75% (2011)

72% (1978)

67% (1982)

50% (1986)

75% (1974)

70% (1976)

71% (2006)

47% (2003)

62% (1990)

60% (2014)

50% (1969)

82% (1968)

65% (1975)

68% (1975)

60% (1977)

50% (1966)