72% (2008)

73% (2009)

80% (2014)

76% (2016)

67% (2007)

68% (2001)

76% (2006)

72% (2014)

63% (2006)

61% (2009)

62% (2008)

62% (2007)

0% (2008)

59% (2008)

60% (2005)

69% (2013)

51% (2010)

67% (2009)

57% (2010)

73% (2009)