58% (1990)

72% (1996)

62% (1992)

60% (1986)

72% (1989)

74% (1979)

50% (2002)

47% (1993)

72% (2006)

49% (2006)

61% (1990)

70% (2006)

0% (2015)

54% (1995)

0% (1977)

40% (1988)

38% (1987)

50% (1994)

63% (1997)

0% (2007)