50% (1992)

50% (1994)

0% (1997)

10% (2006)

0% (1990)

20% (1994)

0% (1994)

0% (1983)

34% (1988)

63% (2003)

60% (1990)

67% (2006)

40% (2016)

0% (1997)

71% (1995)

35% (1956)

0% (1990)

0% (1992)

0% (1995)

40% (1998)