(documentationmilitaryExpendituresInUSDollarsInPeriodEnglishLanguage "(militaryExpendituresInUSDollarsInPeriod ?AREA ?AMOUNT ?PERIOD) means that the estimated military spending of the GeopoliticalArea ?AREA was ?AMOUNT in UnitedStatesDollars during the TimeInterval indicated by ?PERIOD. Note: This predicate was created to represent data from the CIA World Fact Book, which calculates ?AMOUNT by multiplying estimated defense spending of an ?AREA in percentage terms by the gross domestic product (GDP) for ?PERIOD. Note that for this figure, GDP is calculated by the exchange rate method rather than by PPPBasedEconomicValuation. In any case, military expenditures data should be treated as only approximate.")