69% (2012)

64% (2021)

69% (2015)

74% (2015)

56% (2011)

74% (2007)

59% (1976)

78% (1974)

59% (2010)

42% (1976)

46% (1972)

51% (2005)

73% (1990)

71% (2014)

69% (1925)

55% (2022)

55% (2017)

65% (2020)

52% (1973)

52% (2018)