0% (2011)

0% (1989)

52% (1999)

0% (1992)

0% (1979)

60% (1983)

68% (2009)

0% (2000)

38% (2001)

60% (2007)

60% (2003)

60% (2006)

10% (1964)

46% (2001)

62% (1994)

74% (2004)

0% (1985)

0% (1995)

0% (1992)

45% (1996)