anchor: , every one percent increase in the number of households has yielded exactly a one percent increase in all annual mail volumes and for all years in Tables 1, 2, and 3), we can, then, divide the annual volume figures by the number of households in the respective year to obtain annual volume figures per household.
positive: By looking at the figures related to growth we can determine how much annual volume per household is.
negative: Looking at the figures contained in Table 1 we can see no one actually uses the Post Office anymore.