OPEC notches up 10% rise in 2006 revenue - According to the latest data from the Energy Information Administration (EIA), the 13 OPEC member countries notched up nearly $675 billion in proceeds last year thanks to their exports of crude. This is 10% more than the previous year and 33% more than in 2005. Saudi Arabia recovers the largest gross amount with $194 billion, i.e. 29% of the total. According to EIA statistics, OPEC could see this amount rise to $850 billion in 2008 and $783 billion...