DUBAI, Feb 18 (Reuters) - Saudi Arabia's crude oil exports in December fell to 7.486 million barrels per day (bpd) from 7.719 million bpd in **vember, official data showed on Thursday. Monthly export figures are provided by Riyadh and other members of the Organization of the Petroleum Exporting Countries (OPEC) to the Joint Organisations Data Initiative (JODI), which published them on its website. (Reporting by Rania El Gamal; Editing by Mark Potter)