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"In its monthly release, oilfield services provider, Baker Hughes Inc.'s worldwide Rotary Rig Count for Mar 2013 fell to 3,488, down 191 from 3,679 in Feb 2013 and 175 from 3,663 in Mar 2012."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.zacks.com/stock/news/96523/bhi-counts-lesser-rigs-in-mar>