OPEC daily basket price went down by 89 cents to USD 104.75 a barrel on Friday from USD 105.64 last Thursday. The average annual prices of the new OPEC Reference Basket of Crudes (ORB) for last year stood at USD 106.86 pb, the global cartel said in its daily bulletin. The OPEC crude basket is made up of Saharan Blend (Algeria), Girassol (Angola), Oriente (Ecuador), Iran Heavy (Islamic Republic of Iran), Basra Light (Iraq), Kuwait Export (Kuwait), Es Sider (Libya), Bonny Light (Nigeria), Qatar Marine (Qatar), Arab Light (Saudi Arabia), Murban (UAE) and Merey (Venezuela).