59% (2013)

56% (2018)

68% (2007)

53% (2016)

45% (2008)

68% (2011)

51% (2006)

79% (2011)

61% (2006)

70% (2007)

43% (2005)

55% (2005)

59% (2010)

67% (2011)

61% (2012)

63% (2016)

62% (2012)

64% (2011)

60% (2005)

45% (2018)