A Japan Coast Guard boat cruises in front of the international cargo terminal at Tokyo's port on May 25, 2015.  Japan swung back to a trade deficit in April after the first surplus in almost three years in March, but the shortfall shrank drastically year-on-year thanks to stronger exports and lower energy bills, official data showed on May 25.       AFP PHOTO / Yoshikazu TSUNO        (Photo credit should read YOSHIKAZU TSUNO/AFP/Getty Images)