Almost a half of turnover with these clients was generated by enterprises in market research and public opinion polling services and more than a fifth by enterprises in computer programming, consultancy and related services.
Največ tega prihodka, skoraj polovico, so ustvarila podjetja v dejavnosti raziskovanje trga in javnega mnenja (z vsaj 20 osebami, ki delajo), več kot petino pa podjetja v dejavnosti računalniško programiranje, svetovanje in druge s tem povezane dejavnosti.