78% (2010)

68% (2018)

61% (2015)

65% (2008)

55% (2017)

57% (2011)

20% (2012)

57% (2020)

69% (1967)

75% (2020)

80% (2017)

74% (1936)

63% (2023)

62% (2003)

67% (2014)

64% (2016)

77% (2001)

60% (1992)

69% (2013)

62% (2006)