54% (1986)

60% (1989)

53% (1996)

48% (1999)

42% (1998)

34% (1994)

66% (1994)

48% (1990)

56% (1980)

67% (1979)

58% (1988)

62% (1980)

51% (1985)

0% (1970)

83% (1995)

52% (1986)

48% (2016)

47% (1980)

61% (1994)

47% (2017)