83% (1986)

0% (1987)

85% (2008)

73% (1977)

77% (1995)

0% (1985)

55% (2006)

65% (1982)

82% (1989)

80% (2009)

71% (2004)

80% (1968)

0% (2013)

0% (1970)

74% (2006)

80% (1976)

0% (1966)

0% (1975)

0% (1977)

0% (1977)