67% (1970)

55% (1993)

61% (1972)

50% (1994)

20% (2002)

62% (1989)

67% (1980)

40% (1987)

60% (1982)

43% (1980)

40% (1995)

50% (1992)

0% (1984)

67% (1990)

52% (2003)

37% (1993)

60% (1978)

44% (2022)

59% (1979)

62% (1993)