Worldata Price Index
Straight Percent Average Dollar Change

Note: All prices are for Postal files, except where noted Email.

The above graph indicates the straight average percent dollar change for each category. The heaviest percentage increase occurred in the Attendees/Members category with a 6.67% increase. This was followed by a 6.62% increase in the Databases/Masterfiles category. B-to-C Email reflects the largest percent decrease at 2.17%.

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List Price Index: Winter 2008 | Straight Average PPM
Straight Dollar Change | Straight % Average Dollar Change