60% (2000)

35% (2007)

68% (2018)

68% (2017)

68% (2008)

55% (1992)

68% (2001)

50% (2010)

63% (2016)

72% (1976)

64% (1989)

71% (1958)

67% (1980)

69% (2009)

58% (2011)

54% (1991)

62% (1944)

57% (1990)

58% (1941)

70% (1970)