62% (2009)

61% (1970)

82% (1967)

70% (1986)

72% (1956)

40% (2005)

0% (2016)

59% (2001)

0% (2008)

0% (1994)

63% (1994)

0% (1999)

0% (1976)

0% (1993)

0% (2009)

0% (1984)

0% (2011)

72% (2013)

60% (2004)

50% (1988)