Turnover of advertising and market research sector in Portugal 2008-2015

The source adds the following information: "Turnover corresponds to market sales of goods or services supplied to third parties; it includes all duties and taxes on the goods or services invoiced by the unit with the exception of the VAT invoiced to its customer; it also includes all other charges - transport, packaging, etc."
Data coverage corresponds to code M73 of NACE Rev 2.