66% (1978)

70% (2023)

80% (2022)

77% (2021)

63% (2018)

48% (2020)

71% (2009)

70% (1958)

79% (1952)

0% (2019)

73% (2017)

69% (2017)

72% (2014)

71% (2015)

65% (2005)

66% (2013)

55% (1940)

50% (2018)

70% (2011)

60% (2024)