0% (2012)

66% (2010)

52% (2011)

100% (2013)

65% (2012)

40% (2009)

54% (2008)

73% (2006)

50% (2011)

40% (2013)

15% (2013)

0% (2008)

65% (2011)

57% (2008)

53% (1995)

0% (2008)

52% (2013)

63% (2011)

45% (2009)

65% (2013)