60% (2011)

54% (2009)

58% (2011)

64% (2007)

64% (2003)

49% (2011)

47% (2011)

68% (2010)

65% (2010)

63% (2009)

65% (2011)

60% (2010)

50% (2013)

60% (2006)

0% (2008)

65% (2005)

0% (2009)

72% (2001)

0% (2009)