50% (1973)

67% (2017)

54% (1979)

62% (1988)

74% (1964)

63% (1977)

56% (1969)

60% (1976)

55% (1992)

51% (1974)

70% (1979)

53% (2014)

30% (1995)

57% (1995)

52% (1988)

70% (2018)

46% (1995)

42% (1984)

0% (2009)

70% (2000)