• Data reference period
• Geographic localization (Portugal)

• REFERENCE PERIOD:  The length of time for which data are collected, e.g. a specific day, month or year.
• GROSS VALUE ADDED:  The value generated by any unit engaged in a production activity corresponding to the balancing item of the production account, which includes output as resource and intermediate consumption as a use, before allowing for the comsumption of fixed capital.
• TURISMO:  Atividades realizadas pelos visitantes durante as suas viagens e estadas em lugares distintos do seu ambiente habitual, por um período de tempo consecutivo inferior a 12 meses, com fins de lazer, negócios ou outros motivos não relacionados com o exercício de uma atividade remunerada no local visitado.
• ECONOMIC TERRITORY:  Territory that consists on: (a) the geographic territory administered by a government within which persons, goods, services and capital move freely; (b) any free zones, including bonded warehouses and factories under customs control; (c) the national air-space, territorial waters and the continental shelf lying in international waters, over which the country enjoys exclusive rights; (d) territorial enclaves (i.e. geographic territories situated in the rest of the world and used, under international treaties or agreements between States, by general government agencies of the country (embassies, consulates, military bases, scientific bases, etc.); (e) deposits of oil, natural gas, etc., in international waters outside the continental shelf of the country, worked by units resident in the territory as defined in the preceding subparagraphs.

(Valor of the last year/ Value of the previous year)*100-100