https://www.instituteforgovernment.org.uk/sites/default/files/publications/coronavirus-unemployment-five-nation-comparison.pdf
https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef19034en.pdf
http://www.ilo.org/wcmsp5/groups/public/—dgreports/—cabinet/documents/genericdocument/wcms_371208.pdf