10% (1981)

0% (1993)

0% (1994)

0% (1980)

65% (2009)

40% (1978)

0% (1987)

55% (1978)

71% (1979)

60% (1989)

10% (1998)

66% (1978)

70% (1982)

50% (1977)

75% (2011)

65% (1995)

40% (1977)

68% (1981)

0% (1980)

63% (1981)