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What is the difference the main database and the estimates database?

April 26, 2017database estimates main

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What is the difference the main database and the estimates database?

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10 Posted

Statistics in the Voyages Database are for slaving voyages for which documentary evidence has been found. Evidence of other voyages remains to be discovered. In some cases, it will never be discovered. An attempt has been made to systematically evaluate the completeness of the record of the slave trade for different national carriers in different periods of time. Statistics in Estimates take into account the incomplete nature of historical evidence and adjust figures derived from the Voyages Database upwards to provide an account of the actual volume of the slave trade.