69% (2020)

64% (2017)

44% (2004)

0% (1964)

57% (1997)

58% (2015)

53% (1985)

0% (1966)

0% (1973)

0% (1976)

0% (1975)

0% (1972)

0% (1961)

0% (1965)

60% (1978)

90% (1968)

0% (1970)

0% (1977)

80% (2018)

0% (1976)