57% (1986)

75% (1983)

48% (1983)

60% (1988)

35% (2006)

80% (1981)

20% (1985)

42% (1957)

84% (1980)

45% (1989)

45% (1993)

43% (1998)

57% (1997)

60% (1986)

0% (2003)

53% (1992)

0% (1996)

0% (1990)

0% (2017)