67% (2011)

61% (2010)

53% (2010)

66% (2011)

62% (2012)

70% (2011)

62% (2009)

63% (2012)

61% (2011)

58% (2012)

69% (2011)

57% (2009)

54% (2018)

66% (2010)

66% (2008)

68% (2009)

67% (2013)

52% (2006)

52% (2010)

66% (2010)