42% (1994)

58% (1973)

49% (1982)

72% (1970)

72% (1980)

70% (1977)

75% (1974)

63% (1986)

52% (1988)

47% (1991)

58% (1974)

45% (1982)

67% (1977)

64% (1969)

58% (1987)

42% (1987)

49% (2015)

70% (1981)

65% (1983)

40% (2013)