Oil steadied after a second annual increase, supported by concern that protests in Iran could lead to a supply disruption in OPEC’s third-biggest member.Futures were little changed in New York after a 3.3 percent gain last week. The death toll rose during the unrest in Iran as security forces clashed with demonstrators rallying in a rare show of displeasure with the nation’s leaders. The country pumps about 3.8 million barrels a day.Oil in New York climbed 12 percent last year as the Organization of Petroleum Exporting Countries and its allies trimmed supply to reduce a global glut. U.S. crude output is also slipping from a record-high, with weekly production falling through Dec. 22 for the first time since mid-October. Any interruption to Iranian supply would be a significant shock to the market.