40% (2002)

48% (1988)

0% (1988)

64% (1971)

63% (2002)

0% (1964)

60% (2013)

48% (2008)

60% (2000)

50% (1981)

44% (2006)

0% (1983)

40% (1994)

15% (1995)

20% (1996)

40% (1980)

72% (1999)

68% (1999)

61% (1980)

0% (2003)