72% (1989)

40% (2012)

33% (1984)

53% (1980)

72% (2016)

58% (1991)

50% (1985)

65% (1991)

60% (1991)

42% (1981)

58% (2008)

41% (1999)

50% (1979)

0% (2013)

63% (1991)

65% (1988)

0% (1982)

38% (1987)

50% (1980)

66% (1989)