50% (1967)

51% (1975)

60% (1976)

87% (1996)

0% (1983)

0% (1994)

55% (1981)

72% (2012)

0% (2002)

50% (1987)

63% (1974)

0% (1963)

60% (2008)

60% (2004)

61% (2009)

70% (2023)

0% (1973)

90% (1983)

50% (1995)

52% (2019)