73% (1987)

71% (2020)

59% (2021)

61% (2017)

60% (2010)

57% (2008)

65% (2021)

60% (1972)

58% (2018)

70% (1980)

57% (2011)

68% (2017)

56% (2005)

55% (2005)

67% (1997)

75% (1989)

69% (2013)

74% (1958)

67% (2010)

60% (2005)