| Characteristic | Number of unique visitors in millions |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Sources
Release date
October 2015
Region
United States
Survey time period
March 2014 to August 2015
Age group
18 years and older
Special properties
figures do not include mobile usage or fully reflect social media activity
Supplementary notes
Figures earlier then August 2014 come from earlier NAA reports.
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