50% (1992)

63% (2014)

51% (1986)

61% (1985)

75% (1984)

68% (1984)

58% (1983)

57% (1985)

75% (1985)

61% (1983)

56% (1985)

50% (1992)

50% (1983)

48% (1982)

58% (1983)

45% (1985)

32% (1986)

57% (1982)

48% (1983)

58% (1984)