1. |  HARVARD UNIVERSITY | 551 |
2. |  UNIVERSITY OF CHICAGO | 385 |
3. |  NEW YORK UNIVERSITY | 347 |
4. |  UNIVERSITY OF CALIFORNIA, BERKELEY | 332 |
5. |  MASSACHUSETTS INSTITUTE OF TECHNOLOGY | 296 |
6. |  STANFORD UNIVERSITY | 290 |
7. |  UNIVERSITY OF PENNSYLVANIA | 283 |
8. |  LONDON SCHOOL OF ECONOMICS AND POLITICAL SCIENCE | 280 |
|  NORTHWESTERN UNIVERSITY | 280 |
10. |  COLUMBIA UNIVERSITY | 268 |
11. |  YALE UNIVERSITY | 250 |
12. |  PRINCETON UNIVERSITY | 225 |
13. |  UNIVERSITY OF CALIFORNIA, LOS ANGELES | 210 |
14. |  DUKE UNIVERSITY | 203 |
|  UNIVERSITY OF MICHIGAN | 203 |
16. |  UNIVERSITY OF MARYLAND | 193 |
17. |  CORNELL UNIVERSITY | 184 |
18. |  UNIVERSITY OF TORONTO | 156 |
19. |  UNIVERSITY OF ILLINOIS | 154 |
20. |  UNIVERSITY OF WISCONSIN | 153 |
21. |  UNIVERSITY OF CALIFORNIA, SAN DIEGO | 151 |
22. |  UNIVERSITY OF OXFORD | 139 |
23. |  TILBURG UNIVERSITY | 132 |
24. |  UNIVERSITY OF MINNESOTA | 130 |
25. |  UNIVERSITY OF BRITISH COLUMBIA | 128 |
26. |  [UNIVERSITY OF SOUTHERN CALIFORNIA | 124 |
27. |  UNIVERSITY OF TOULOUSE | 123 |
28. |  UNIVERSITE CATHOLIQUE DE LOUVAI[/url] | 116 |
29. |  UNIVERSITY COLLEGE LONDON | 115 |
30. |  OHIO STATE UNIVERSITY |