Worldata Price Index
Straight Percent Average Dollar Change

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 4.35% increase. This was followed by a 3.82% increase in the Databases/Masterfiles category. B-to-C Email reflects the largest percent decrease at –4.19%.

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List Price Index: Winter 2007 | Straight Average PPM
Straight Dollar Change | Straight % Average Dollar Change