63% (2004)

58% (2010)

55% (2005)

59% (2008)

62% (2007)

65% (2012)

41% (2010)

61% (2014)

51% (2017)

62% (2015)

62% (2012)

64% (2012)

50% (2011)

58% (2017)

56% (2014)

53% (2012)

59% (2004)

44% (2013)

64% (2015)

52% (2019)