0% (1994)

40% (2011)

70% (1987)

0% (1990)

58% (2013)

0% (1994)

0% (1987)

70% (1975)

60% (2001)

80% (1989)

55% (2004)

0% (1979)

70% (1980)

80% (1996)

63% (1985)

0% (1997)

68% (1987)

80% (1987)

90% (1990)

80% (1990)