60% (2011)

50% (2009)

57% (2011)

52% (2008)

60% (2010)

47% (2011)

59% (2010)

64% (2011)

50% (2013)

72% (2001)

64% (2007)

63% (2003)

63% (2009)

0% (2009)

64% (2010)

60% (2006)

65% (2005)

0% (2008)

48% (2011)

0% (2009)