Forty thousand visitors and £18.9million profit over the 2013 TT races.
Those are the key findings from a report published by the Economic Affairs Division of Treasury.
The survey involved interviews with visitors in the boat and airport departure lounges.
During the fortnight 6,160 people were spoken to.Peter Hannay from Economic Affairs says the money will disperse into the Island's economy
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DoI to move to monthly dredging in order to protect harbour depth
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14.1 hours of sunshine recorded on 29 April
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