It always refers to invoiced or sold production on own account, whatever the type of production on own account in quantity requested.
It is calculated on the basis of the net selling price during the reference period of the survey. (Includes the charge of containers and packaging and excludes VAT and other indirect taxes, transport charges separately invoiced and discounts granted to the customer).
Annual Industrial Products Survey. Methodology
(enlaces al Inventario de Operaciones Estadísticas)