10% (1970)

0% (1979)

43% (2002)

70% (1990)

0% (1959)

100% (1969)

60% (1989)

70% (1997)

64% (1972)

20% (1993)

26% (2010)

60% (2012)

30% (1994)

60% (2003)

40% (1968)

60% (1966)

60% (1967)

0% (1969)

80% (2011)

60% (2009)