52% (1979)

71% (1982)

70% (2003)

54% (1981)

63% (1997)

50% (2004)

50% (1994)

47% (2004)

63% (1985)

63% (2003)

38% (1987)

43% (2005)

60% (1990)

66% (1991)

60% (1977)

62% (2003)

48% (1990)

57% (2023)

0% (1995)

43% (1987)