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hours working countries most annual statista infographic chart work per longest drain brain country average oecd week year europe forbes
average hours worked work annual year vs week each productivity american much do works compared french americans germans world magical
hours worked per average 1970 person employed work 2011 people bank
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hours work longest where statista do millennials chart week average number infographic worked people
hours working americans same policy vox work wage worked chart wages many make group economic institute race data 1979