58% (2009)

55% (2014)

54% (2013)

66% (2007)

58% (2011)

60% (2011)

56% (2016)

67% (2007)

65% (2007)

57% (2017)

69% (2016)

59% (2016)

49% (2017)

45% (2009)

53% (2016)

54% (2018)

59% (1999)

34% (2004)

41% (2003)

40% (1932)