@misc{ine2020turnover,
  title = {Turnover (€) of establishments of retail trade for from 2010 to 2018}
  author = {INE},
  url = {https://ine.pt/xportal/xmain?xpid=INE&xpgid=ine_indicadores&indOcorrCod=0010024&contexto=bd&selTab=tab2},
  year = {2020}
}