Chained values do not show additivity. By chained values you cannot find totals by simple addition of components. You need to use a specific formula as described here - https://www.dst.dk/ext/national/NR-DOK.An error has been found in collective consumption expenditure of government for the third quarter of 2020. The error has no effect on GDP. Derivative sizes and change in inventory are also affected. Minor changes in the seasonal adjustment for 2018-2020 occur in the affected series.