Chart 5. Average annual percentage-point difference between indexes calculated with the Laspeyres formula and the geometric Young formula 
Percentage-point difference Count

0.0

 5

≤ 0.1

 67

0.2

 45

0.3

 35

0.4

 20

0.5

 12

0.6

 11

0.7

 7

0.8

 8

0.9

 5

> 0.9

 22

Note: The chart shows the number of four-digit Harmonized System indexes with an average annual difference in a given percentage-point bin of 0.1. The difference is a Laspeyres formula calculation minus a geometric Young formula calculation. For example, the 0.4 bin represents indexes with an average annual difference above 0.3 percentage point but less than or equal to 0.4 percentage point.

Source: U.S. Bureau of Labor Statistics.