53% (2018)

52% (2017)

56% (2013)

66% (2007)

61% (2020)

68% (2009)

72% (2019)

51% (1937)

71% (1988)

60% (2010)

59% (1980)

60% (1986)

77% (1959)

44% (1936)

53% (2008)

57% (2003)

66% (2018)

55% (2011)

63% (2002)

64% (2015)