40% (2004)

0% (1980)

40% (1996)

44% (1985)

0% (1965)

0% (2000)

0% (1998)

0% (2004)

63% (2003)

65% (1994)

0% (1975)

0% (1978)

0% (2000)

70% (1999)

0% (2005)

50% (1993)

37% (2004)

0% (1965)

60% (1992)

20% (2013)