@misc{departamentnonehousehold,
  title = {Household Budget Survey. Average annual expenditure by groups of Barcelona (province), Cataluña and Spain 2018}
  author = {Departament d'Estadística i Difusió de Dades. Ajuntament de Barcelona},
  url = {https://www.bcn.cat/estadistica/castella/dades/anuari/cap14/C1406020.htm},
  year = {None}
}