0% (1989)

92% (1993)

0% (1998)

68% (2004)

0% (1984)

0% (1963)

0% (2002)

0% (2007)

0% (1990)

80% (1997)

60% (1976)

0% (2003)

0% (2012)

63% (1996)

0% (2001)

0% (1995)

78% (1992)

0% (2005)

70% (1979)

60% (2015)