57% (2009)

55% (2012)

63% (2018)

63% (2016)

54% (2017)

59% (2019)

48% (2017)

66% (2019)

60% (2014)

51% (2010)

63% (2009)

55% (2009)

55% (2007)

49% (2007)

53% (2010)

52% (2013)

47% (2004)

63% (2014)

42% (2014)

51% (2007)