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. 2021 Aug 10;18(16):8437. doi: 10.3390/ijerph18168437

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Actual (2001–2020) and forecasted (until 2040) trends in CRF in relation to the aggregated occupational groups. Relative percentages shown in the figure are for the forecasted period.