77% (1997)

62% (2022)

70% (2021)

62% (2014)

58% (2011)

75% (1993)

59% (2004)

51% (2007)

63% (2024)

69% (2003)

57% (2013)

57% (1989)

65% (2006)

82% (1921)

51% (2015)

43% (2008)

41% (1987)

71% (1944)

52% (1975)

77% (1961)