| University | 1999 ~ 2020 | 2021 | Total |
| Cornell | 57 | 1 | 58 |
| Duke | 49 | 1 | 50 |
| U. of Pennsylvania | 49 | 1 | 50 |
| Stanford | 33 | 33 | |
| UC Berkeley | 33 | 3 | 36 |
| Oxford | 32 | 3 | 35 |
| U. of Chicago | 32 | 2 | 34 |
| Northwestern | 30 | 1 | 31 |
| New York University | 29 | 2 | 31 |
| Washington in St. Louis | 29 | 29 | |
| Columbia | 28 | 1 | 29 |
| U. of Illinois at Urbana-Champaign | 23 | 3 | 26 |
| Brown | 23 | 1 | 24 |
| Rice | 23 | 23 | |
| Princeton | 22 | 1 | 23 |
| Carnegie Mellon | 20 | 1 | 21 |
| California Institute of Technology | 20 | 20 | |
| Yale | 19 | 1 | 20 |
| Hong Kong of Science and Technology | 18 | 18 | |
| Williams College | 15 | 2 | 17 |
| Massachusetts Institute of Technology | 16 | 16 | |
| Harvard | 12 | 1 | 13 |
| Other | 327 | 21 | 348 |
| Total | 939 | 46 | 985 |