53% (1987)

53% (1986)

45% (1993)

60% (1986)

35% (2006)

80% (1987)

45% (1989)

44% (1992)

0% (1996)

65% (1992)

57% (1986)

42% (1957)

25% (1990)

43% (1998)

53% (1992)

0% (2003)

57% (1997)

0% (1990)

0% (2017)