64% (2015)

54% (2014)

86% (2011)

64% (1993)

73% (2007)

71% (2010)

53% (2015)

68% (2005)

51% (2009)

59% (2014)

30% (2000)

65% (2019)

61% (1970)

50% (2014)

69% (1968)

44% (1947)

60% (2008)

80% (2003)

69% (2011)

62% (2004)