Some figures about Iraq and U.S. involvement since the beginning of the war in March 2003:

CASUALTIES:

_U.S. deaths in combat as of Oct. 31: 2,818.

_U.S. wounded as of Oct. 31, 2006: 21,419.

_At least 105 U.S. personnel killed in October, fourth-deadliest month of war.

_At least 646 civilian contractors killed.

• Iraq civilian deaths are estimated at more than 50,000 with one controversial study contending as many as 655,000 Iraqis have died.

_155 Iraqi professors killed.

_About 250 Iraqi physicians and health care workers killed. At least 6,000 doctors and several thousand professors have fled country.

COST:

_Nearly $340 billion, or about $250 million a day.

OIL PRODUCTION:

_Prewar: 2.58 million barrels daily.

_Oct. 31: 2.33 million barrels daily.

ELECTRICITY:

_Prewar nationwide: 3,958 megawatts. Hours a day (estimated) 4-8.

_Oct. 31, nationwide: 4,100 megawatts. Hours a day 13.4.

_Prewar Baghdad: 2,500 megawatts. Hours a day (estimated) 16-24.

_Oct. 31 Baghdad: not available. Hours a day 8.3.

TELEPHONE:

_Prewar landlines: 833,000.

_Oct. 31: 1.25 million.

_Prewar cell phones: no service.

_Oct. 31: 7 million.

WATER:

_Prewar: 12.9 million people had potable water.

_Oct. 30: 14.3 million people.

SEWERAGE:

_Prewar: 6.2 million people served.

_Oct. 30: 10.7 million people.

INFLATION:

_2004: 31.7 percent.

_2005: 31.5 percent.

_2006 to date: 32 percent.

INTERNAL REFUGEES:

_1.5 million people.

EMIGRANTS:

_Prewar: 500,000 Iraqis lived abroad.

_Oct. 31, 2006: estimated 1.6 million abroad.

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Sources: Associated Press archives, State Department, Defense Department, Special Inspector General for Iraq Reconstruction, Brookings Institution, Iraq Body Count, The Lancet Web site, Iraqi ministries of health and education.