"World oil supply rose 0.5 mb/d in January, to 88.5 mb/d, on higher OPEC crude and NGL output. Non‐OPEC supply was unchanged from December at 53 mb/d, as outages continued to constrain production. 2010 estimates remain at 52.8 mb/d, while the 2011 outlook is nudged up 0.1 mb/d to 53.5 mb/d on higher North American output." (Quoted from article)