http://visual.ons.gov.uk/trading-places-uk-goods-trade-with-eu-partners/
https://www.instituteforgovernment.org.uk/sites/default/files/publications/5704%20IFG%20-%20Frictionless%20Trade%20Web.pdf
https://www.bundesfinanzministerium.de/Content/DE/Downloads/Broschueren_Bestellservice/2019-08-08-die-wichtigsten-steuern-im-internationalen-vergleich-2018-ausgabe-2019.pdf?__blob=publicationFile&v=5
https://www.bruegel.org/sites/default/files/2023-06/PB%2012%202023.pdf