47% (2017)

74% (1992)

69% (1986)

68% (1990)

33% (1991)

60% (1993)

64% (1993)

58% (2006)

58% (1993)

55% (2001)

51% (1973)

70% (1996)

66% (1972)

49% (1999)

61% (1990)

64% (1997)

63% (1986)

67% (1992)

59% (2016)

61% (1986)