This dataset presents quantities and economic value of import and export in Canton Vaud. The data are representative for trade between the canton and foreign countries; they do not take into account trade within Switzerland.
Methodology of this dataset can be found there (PDF, Définitions): https://www.vd.ch/themes/etat-droit-finances/statistique/statistiques-par-domaine/06-industrie-et-services/commerce-exterieur/