| Characteristic | Number of members in thousands |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Source
Release date
April 2016
Region
United States
Survey time period
2000 to 2013
Supplementary notes
* Numbers have been rounded to provide a better understanding of the statistic.
Figures for years before 2002 come from previous reports
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