Subject (Region)
- South Africa2,077
- Argentina2,009
- Africa1,997
- Soviet Union1,965
- Australia1,959
- Pennsylvania1,949
- Virginia1,818
- Connecticut1,735
- Russia (Federation)1,722
- New England1,707
- Netherlands1,553
- Asia1,536
- America1,528
- Illinois1,495
- Philippines1,470
- New York1,442
- Portugal1,261
- Russia1,252
- Peru1,156
- Taiwan1,137