See the newsletter: Unemployment (monthly) October 2020 (Danish) regarding the significance of the COVID-19 shutdown for the figures for October 2020. In August 2019 the LFS time series have been revised going back to 2008 due to new weights. Read about the background of the revisions: http://dst.dk/ext/arbe/aendringfakt19--pdf (Danish) and their effect: www.dst.dk/ext/arbe/aendringteor19--pdf (Danish).