63% (1997)

53% (1997)

59% (1985)

67% (1983)

44% (1988)

61% (1985)

63% (1985)

59% (1992)

55% (2016)

65% (1985)

62% (1997)

49% (1994)

68% (1988)

68% (1991)

61% (1990)

61% (1992)

60% (1981)

51% (1984)

63% (1989)

68% (1979)