Here are some interesting facts from that report:

-Mr. Clinton’s weeklong trek in China cost $18 million; his 12-day trip across Africa cost $43 million and his five-day sojourn in Chile cost $10.5 million.

-More than 500 personnel from the departments of Defense, State and Treasury helped support the trip to China.

-For each trip, officials from a variety of agencies travel to the country three times before the president arrives to deal with logistics and map out security plans.

-The bulk of the costs from the trips are for aircraft, such as Air Force One and other military support planes/helicopters.

-The total costs don’t include the expenses of the U.S. Secret Service. Their costs are classified, which means the actual cost of the trip is likely higher since they’re the main force protecting the president.

Steve Ellis, a spokesman for the government watchdog group Taxpayers for Common Sense, said after the Sept. 11, 2001 attacks it has been even harder to find out the costs of presidential travel.

That hasn’t stopped people from trying to estimate the expenses. In 2010, Mr. Obama went to India for several days and the White House had to bat away a report, first published in an Indian newspaper, that the trip was costing $200 million a day.

The White House said that number was wildly exaggerated, but still didn’t provide details about the actual expenses.

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