67% (2022)

62% (2016)

46% (2003)

69% (2019)

40% (1977)

66% (1978)

69% (1979)

68% (1993)

65% (1977)

63% (1977)

53% (1978)

62% (1992)

70% (1983)

63% (1983)

17% (2003)

46% (2002)

68% (1999)

62% (1981)

47% (1976)

56% (1992)