60% (1983)

41% (1987)

65% (1985)

61% (1986)

58% (1988)

36% (1987)

62% (1988)

62% (1988)

57% (1988)

55% (1988)

55% (1986)

56% (1987)

47% (1987)

42% (1987)

42% (1986)

56% (1989)

0% (2020)