72% (2011)

56% (2006)

57% (2007)

76% (2007)

61% (2011)

55% (2005)

65% (2009)

51% (2010)

61% (2008)

60% (2009)

60% (2008)

52% (2009)

55% (2011)

75% (2006)

65% (2010)

57% (2018)

60% (2011)

62% (2005)

61% (2006)

50% (2011)