| http://www.w3.org/ns/prov#value | - In the Sustainability Yearbook 2014, announced in 2014, 333 companies are included in the world-class indices and 70 companies including 4 Japanese companies are ranked as Gold class, 65 companies including 4 Japanese companies are ranked as Silver class, and 87 companies including Ricoh and the other 9 Japanese companies are ranked as Bronze class.
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