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The personnel costs of the extraction of crude petroleum and natural gas industry in Bulgaria declined to 3.9 million euros in 2016. Nevertheless, the last two years in this industry recorded significant higher personnel costs than the preceding years.
According to Eurostat, cost of personnel are defined as the total remuneration payable by an employer to an employee in return for work during the reference period. It also includes taxes and employees' social security contributions retained by the unit as well as the employer's compulsory and voluntary social contributions. Personnel costs are made up of wages and salaries and employers' social security costs.

Find more statistics on other topics about Bulgaria with key insights such as turnover of the extraction of crude petroleum and natural gas industry and number of enterprises in the mining of metal ores industry.