48% (1990)

57% (1990)

59% (1983)

63% (1987)

55% (1980)

59% (1991)

72% (1979)

60% (1989)

49% (1986)

53% (1997)

59% (1990)

61% (1982)

49% (1983)

59% (1989)

62% (2016)

59% (1984)

48% (1999)

53% (1990)

54% (1986)

48% (1994)