50% (1974)

0% (2015)

50% (1961)

0% (1997)

80% (1963)

50% (1958)

58% (1997)

100% (2018)

15% (1950)

67% (2001)

20% (2011)

58% (2006)

0% (1951)

64% (1979)

66% (2017)

60% (1991)

0% (1969)

90% (2009)

0% (1950)

70% (1985)