License
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- Attribution 4.0 (CC BY 4.0)376
- Attribution 3.0 United States82
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- Public Domain Mark 1.026
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- Attribution-ShareAlike 4.0 (CC BY-SA 4.0)25
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- Attribution-NoDerivs 3.0 United States5
- Attribution-NoDerivatives 4.0 (CC BY-ND 4.0)3
- Attribution-NonCommercial 3.0 United States3
- Apache 2.01