| http://www.w3.org/ns/prov#value | - The biggest factor is that for the 2011 study, (http://www.nytimes.com/imagepages/2011/10/20/education/20iht-SReducEmploy20-graphic.html?ref=education) the NYT Survey polled only business executives and board chairs, and only surveyed them from the ten countries, while for the 2012 the international survey included 20 countries from all over the world, including Asia and Latin America.
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