https://www.cer.eu/sites/default/files/insight_SL_5.11.19_2.pdf
https://www.kearney.com/documents/20152/5708085/2020+Reshoring+Index.pdf/ba38cd1e-c2a8-08ed-5095-2e3e8c93e142?t=1586876044101
https://ustr.gov/sites/default/files/2019_National_Trade_Estimate_Report.pdf