50% (1987)

0% (1997)

30% (1971)

0% (1984)

71% (2004)

48% (2003)

0% (2001)

52% (2010)

50% (1993)

70% (2010)

60% (2002)

55% (1993)

0% (1996)

50% (2001)

61% (1986)

100% (2011)

58% (2014)

0% (1989)

0% (1972)

50% (2011)