69% (1984)

63% (2019)

54% (1988)

41% (2005)

71% (1993)

58% (1996)

68% (1983)

67% (1992)

58% (2003)

67% (2018)

84% (1987)

64% (2014)

30% (2014)

70% (1961)

51% (2019)

60% (2008)

79% (1993)

80% (1986)

73% (1987)

55% (2009)