Users are urged to exercise caution when making year-over-year comparisons between series due to updates to source data, methodology improvements, and geographic changes.
While Precisely attempts to maintain the same CSP variables between annual updates as much as possible, users are cautioned that the variables in this dataset may change from year to year due to the changing nature of the Household Expenditure Survey. There may be instances when this results in a re-labeling of CSP variables.