20% (1960)

0% (2007)

40% (2003)

60% (1973)

0% (1989)

50% (1979)

42% (2005)

60% (1976)

60% (2018)

0% (1989)

87% (1990)

50% (1970)

42% (1964)

0% (1987)

53% (1998)

50% (1988)

60% (1973)

67% (1991)

20% (2013)

65% (1971)