38% (2016)

75% (1952)

74% (1976)

49% (1970)

58% (2004)

66% (1999)

50% (2010)

61% (2017)

61% (1975)

58% (1970)

65% (2007)

65% (2015)

51% (2006)

53% (2013)

67% (1981)

62% (1976)

60% (1997)

65% (1986)

66% (1994)

75% (2016)