(Updates with new tolls) Dec 26 (Reuters) - The U.S. military on Tuesday reported the deaths of six soldiers in three separate roadside bomb attacks in Iraq. Two soldiers were killed and one wounded in a roadside bomb attack southwest of Baghdad on Monday. Another was killed and two wounded in another attack in the same area on Monday. Earlier the U.S. military said that a roadside bomb exploded near a U.S. military patrol, killing three U.S. soldiers and wounding another, in northwest Baghdad. Following are the latest figures for military deaths in Iraq since the U.S.-led invasion in March 2003: U.S.-LED COALITION FORCES: United States 2,978 Britain 126 Other nations 121 IRAQIS: Military Between 4,900 and 6,375# Civilians Between 51,814 and 57,368* # = Think-tank estimates for military under Saddam Hussein killed during the 2003 war. No reliable official figures have been issued since new security forces were set up in late 2003. * = From www.iraqbodycount.net (IBC), run by academics and peace activists, based on reports from at least two media sources. The IBC says on its Web site that the figure underestimates the true number of casualties.