60% (2011)

51% (2009)

57% (2011)

64% (2009)

46% (2011)

64% (2007)

52% (2008)

48% (2011)

60% (2010)

62% (2003)

64% (2010)

56% (2010)

60% (2006)

64% (2011)

65% (2005)

72% (2001)

0% (2009)

0% (2008)

50% (2013)

0% (2009)