57% (1999)

43% (2013)

62% (1995)

40% (1982)

0% (1985)

63% (1973)

90% (1980)

45% (2012)

0% (2002)

61% (2004)

67% (1995)

0% (2002)

50% (1985)

25% (2002)

40% (2001)

40% (1976)

70% (1997)

100% (1975)

30% (1987)

58% (1976)