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Source
Source
Release date
July 2018
More information
Region
United States
Survey time period
2007 to 2017
Number of respondents
30,999 respondents
Age group
6-17 years
Method of interview
Online survey
Supplementary notes
* A weighting technique was used to balance the data to reflect the total U.S. population ages 6 to 17 years.
A participant is defined as an individual who took part in the activity at least once in the given year.
Numbers have been rounded to provide a better understanding of the statistic.
Figures prior to 2017 were taken from earlier reports.
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