51% (2006)

50% (1968)

61% (1976)

59% (2019)

65% (2015)

57% (2012)

52% (1991)

63% (2009)

66% (2018)

54% (2010)

55% (2018)

64% (2022)

57% (2011)

54% (1971)

53% (2018)

68% (2018)

32% (1995)

57% (2008)

0% (2014)

54% (2019)