Where it comes from
The line in the source
Developed by ILCA | WW: November 19, 2021 [Wikipedia list, via fetch summary]
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19 November 2021 Year to March 2022
EstimateOur model or estimate. Treat it as an order of magnitude.
Found in one pass only. The research team reads every source twice, independently; this record turned up in one reading but not the other, so treat it as less certain than its grade.
The line in the source
Developed by ILCA | WW: November 19, 2021 [Wikipedia list, via fetch summary]