57% (2005)

59% (2012)

61% (2020)

44% (2010)

46% (2012)

47% (2018)

50% (2008)

48% (2006)

49% (2018)

50% (2017)

55% (2019)

53% (2012)

52% (2016)

37% (2007)

53% (2009)

44% (2006)

52% (2019)

38% (2009)

56% (2018)

53% (2020)