22% (1999)

60% (2011)

41% (2011)

67% (1985)

61% (1957)

61% (2010)

50% (2008)

48% (2014)

41% (1969)

59% (1991)

58% (2008)

67% (2021)

53% (1961)

52% (1973)

50% (2008)

62% (1995)

49% (2014)

68% (2007)

72% (2005)

67% (2014)