52% (2008)

70% (2005)

45% (1976)

68% (1980)

100% (2005)

65% (2004)

50% (1998)

50% (1983)

75% (2009)

57% (2007)

50% (1968)

60% (2015)

0% (2004)

0% (2003)

60% (1969)

0% (2002)

0% (1973)

0% (1993)

60% (1960)

0% (1997)