63% (2003)

48% (1969)

50% (1957)

50% (1955)

62% (2014)

71% (2015)

50% (1983)

60% (1990)

30% (2000)

75% (1965)

65% (1981)

50% (1988)

65% (2001)

53% (1986)

90% (2002)

60% (1949)

76% (1954)

65% (1999)

67% (2005)

75% (1989)