20% (1980)

71% (2017)

74% (2021)

68% (2007)

61% (1995)

69% (2000)

74% (1982)

72% (1941)

71% (1998)

63% (2016)

36% (2011)

64% (2010)

75% (1938)

52% (2013)

71% (2019)

62% (2023)

64% (2023)

10% (2009)

66% (2013)

49% (2009)