67% (2013)

40% (2008)

80% (2013)

0% (2007)

65% (2011)

0% (2004)

0% (2006)

83% (2008)

55% (2008)

0% (2012)

100% (2010)

0% (2010)

0% (2009)

90% (1994)

80% (2012)

72% (2007)

0% (1970)

47% (2010)

95% (2009)

53% (2012)