51% (2022)

57% (2021)

65% (2021)

77% (2015)

72% (2016)

61% (2014)

50% (2010)

81% (1961)

50% (1998)

66% (1989)

57% (2007)

69% (2022)

71% (2018)

52% (2013)

55% (2013)

72% (2009)

70% (2008)

56% (1986)

57% (1989)

63% (1984)