51% (1979)

49% (1973)

60% (2014)

50% (1979)

20% (1977)

0% (1976)

43% (1975)

43% (1985)

10% (1976)

60% (1963)

20% (1980)

0% (1982)

0% (1981)

48% (1976)

50% (1973)

40% (1977)

35% (2010)

0% (1993)

50% (1975)

47% (1984)