The latest data from the International Energy Agency (IEA) show that UAE and Saudi Arabia have together recorded compliance levels of 98% to the output curbs set by OPEC, the highest among members of the organization, Gulf News has reported. The average compliance by OPEC members to the output curbs stood at 56% last month, the data showed. OPEC ministers are set to meet in Vienna on March 17 to review the current production agreement which has been in effect since January 2009.