| Characteristic | Advertising time per hour in seconds |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Source
Release date
February 2016
Region
United States
Survey time period
2008 to 2015
Supplementary notes
Figures prior to 2015 come from a previous article.
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