PhDs
| PhDs – Chicago | PhDs – Harvard & Carnegie-Mellon |
PhDs – UT Dallas |
| PhDs, 1958-1976 | PhDs, 1978-1988 | PhDs, 1988-2010 |
| PhDs, 2011 | ||
| PhDs, 2012 | ||
| PhDs, 2013 and 2014 | ||
| PhDs, 2015 and 2016 | ||
| New PhDs, 2017 and 2018 | ||
| New PhDs, 2019 and 2020 | ||
| New PhDs, 2021 and 2022 |
