71% (1972)

70% (2005)

50% (1935)

78% (2016)

77% (2012)

75% (2016)

55% (2013)

64% (2010)

72% (2011)

67% (2018)

60% (2011)

0% (1994)

63% (2010)

50% (2014)

62% (2011)

73% (2013)

70% (2016)

73% (2016)

10% (2009)

62% (2016)