50% (2010)

52% (2011)

45% (2004)

0% (2005)

77% (2014)

60% (2004)

62% (2005)

62% (2010)

0% (2005)

38% (2006)

63% (2015)

63% (2010)

50% (2008)

40% (2008)

52% (2006)

55% (2007)

59% (2010)

50% (2006)

22% (2009)

57% (2008)