68% (2014)

70% (2013)

60% (2012)

72% (2004)

74% (1995)

69% (2010)

66% (2004)

60% (2015)

72% (2005)

60% (1995)

66% (1985)

58% (2007)

69% (2022)

70% (1977)

68% (2021)

70% (2023)

65% (1985)

67% (1950)

70% (2004)

55% (1997)