55% (2012)

57% (2009)

63% (2016)

62% (2018)

59% (2014)

50% (2007)

51% (2010)

65% (2019)

63% (2009)

54% (2009)

47% (2017)

51% (2012)

55% (2009)

59% (2019)

64% (2019)

62% (2014)

55% (2007)

53% (2010)

51% (2008)

47% (2004)