67% (1992)

59% (1983)

51% (1978)

56% (1977)

61% (1982)

46% (1979)

60% (1991)

60% (1975)

20% (1995)

52% (1986)

40% (1979)

46% (1980)

65% (1982)

50% (1989)

58% (1990)

59% (1981)

55% (2001)

49% (2018)

50% (1996)

63% (1984)