The percentage of total national category sales in a geographic area divided by the percentage of U.S. households living in that area.
A comparison of the percent of sales of a product category in a market, to the percent of population in that market.
A measure of the relative strength of a category's sales in a geographic area. Computationally it is the percent of total national category sales which occur in an area divided by the percent of US households which live in that area.