http://www.iata.org/publications/economic-briefings/value-of-air-cargo-2016-summary.pdf
http://fedtrust.co.uk/our-work-on-europe/brexit-heading-to-a-deal-or-no-deal-while-uk-politics-implodes/
https://www.kearney.com/documents/20152/5708085/2020+Reshoring+Index.pdf/ba38cd1e-c2a8-08ed-5095-2e3e8c93e142?t=1586876044101