The OPEC daily basket price climbed by 52 cents to USD104.46 a barrel on Friday, compared with USD 103.94 the previous day, according toOPEC Secretariat calculations on Monday.OPEC's annual rate for the basket price in 2013 was USD 105.85 per barrel.The new OPEC Reference Basket of Crudes (ORB) is made up of the following:Saharan Blend (Algeria), Girassol (Angola), Oriente (Ecuador), Iran Heavy (IslamicRepublic of Iran), Basra Light (Iraq), Kuwait Export (Kuwait), Es Sider (Libya), BonnyLight (Nigeria), Qatar Marine (Qatar), Arab Light (Saudi Arabia), Murban (UAE) andMerey (Venezuela).Last December, OPEC Ministers of Oil decided to keep the productivity level of its 12member states stable at 30 million barrel per day, to protect stability and balance ininternational oil markets.