National accountsGross Domestic Product (GDP)

The GDP quantifies the economic performance of the national economy. It is an estimate of the value of goods and services produced in a country as far as they are not used as input for the production of other goods or services, in other words it is the value added.
The GDP is calculated at current and previous year prices. At previous year prices, the GDP shows the real annual economic development, namely not biased by the prices evolution.