
| Characteristic | Average number of items |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Source
Release date
November 2015
Region
United States
Survey time period
November 24, 2011, November 22, 2012, November 29, 2013, November 28, 2014 and November 27, 2015
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