60% (1977)

40% (2005)

67% (2017)

72% (2017)

73% (2020)

62% (2009)

61% (2009)

65% (2010)

60% (1975)

59% (1970)

61% (2000)

71% (2010)

57% (1971)

76% (2018)

56% (1970)

71% (2017)

60% (2009)

67% (2016)

70% (2011)

66% (1977)