78% (2024)

65% (2021)

39% (2006)

59% (2023)

65% (2017)

51% (2014)

55% (2002)

69% (1967)

70% (1999)

40% (1975)

59% (2002)

50% (1992)

73% (2015)

65% (1915)

56% (2001)

71% (2002)

67% (2019)

71% (2023)

62% (2011)

67% (1996)