“Starting in January 2022, weights for the Consumer Price Index will be calculated based on consumer expenditure data from 2019-2020. The Bureau of Labor Statistics considered interventions, but decided to maintain normal procedures.”

https://www.bls.gov/cpi/notices/2021/2022-weight-update.htm

“Starting in January 2022, weights for the Consumer Price Index will be calculated based on consumer expenditure data from 2019-2020. The Bureau of Labor Statistics considered interventions, but decided to maintain normal procedures.”