
| 5th - Class of 2021 | 45th - Class of 1981 |
| 10th - Class of 2016 | 50th - Class of 1976 |
| 15th - Class of 2011 | 55th - Class of 1971 |
| 20th - Class of 2006 | 60th - Class of 1966 |
| 25th - Class of 2001 | 65th - Class of 1961 |
| 30th - Class of 1996 | 70th - Class of 1956 |
| 35th - Class of 1991 | 75th - Class of 1951 |
| 40th - Class of 1986 | 80th - Class of 1946 |