52% (1976)

47% (2009)

73% (1992)

56% (1999)

38% (1992)

69% (2015)

59% (1999)

68% (1979)

74% (2024)

66% (2017)

67% (1996)

61% (2021)

61% (1986)

57% (2008)

50% (1983)

60% (2024)

46% (1969)

69% (2013)

68% (1990)

75% (1983)