50% (1984)

50% (1986)

50% (1983)

50% (1974)

0% (1988)

50% (1976)

53% (2010)

40% (1987)

50% (2015)

57% (1973)

42% (1973)

50% (2022)

0% (2012)

0% (1970)

0% (1970)