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Methodological aspects

The data on macromagnitudes, surface area, machinery and head of livestock, as well as that on agricultural, livestock and forestry production, which is updated every year, is obtained from the Ministry of Agriculture, Livestock, Fisheries, Food and Natural Environment.

The data on surface areas is calculated on the basis of data on municipal surface areas and agronomic inventories, cross-compared with data about the producers and intermediaries in each sector to make sure that the data from the different sources fits. That for production is obtained by applying the estimated unit performances for each crop to the surface in production.

Unavailable information is represented using the symbol ":". When the value is lower than that of the minimum unit to be able to estimate the statistical operation or if it effects statistical confidentiality, the symbol used is "..".