• Data reference period
• Place of residence (Portugal)
• Earnings components
• Tradable nature of the goods and services produced

• -:  -
• BASIC REMUNERATION:  The gross amount, before deduction of taxes and social security contributions, in cash or in kind, paid regularly in the reference period and corresponding to the normal working period.
• -:  -
• NON-MARKET OUTPUT:  Output that is provided to other units for free or at prices that are not economically significant.
• REFERENCE PERIOD:  Period to which the information refers and which may be a specific day or a time interval (month, fiscal year, calendar year, among others).
• MARKET OUTPUT:  Output that is disposed of on the market or intended to be disposed of on the market.
• ENTERPRISE:  Legal entity (natural or legal person) that is an organisational unit producing goods or services, which benefits from a certain degree of autonomy in decision-making, especially for the allocation of its current resources. An enterprise carries out one or more activities at one or more locations.

Total gross monthly earnings per employee = Total gross earnings (all components) paid by employers on month m / Number of employees on month m