These startling figures were released by the Centre for Social Studies (CES) of Coimbra University, who carried out a study regarding weapons in Portugal, which also pointed to hunting weapons as the preferred choice among Portuguese. An analysis of the internal firearms trafficking and import figures showed that part of the illegal weapons being used in Portugal originated from the legal market: "between 2004 and 2007, 5,913 firearms were stolen or lost, an average of... (GunPolicy.org)