| Category | Rank of Category | |||||
|---|---|---|---|---|---|---|
| 1991-1995 | 1995 | 1994 | 1993 | 1992 | 1991 | Astronomy & astrophysics | 8 | 4 | 8 | 7 | - | 10 |
| Chemistry | 6 | 7 | 7 | 3 | 8 | 7 |
| Geosciences | 7 | 6 | 6 | 5 | - | 8 |
| Instruments & instrumentation | - | - | - | 10 | 9 | 6 |
| Materials science | 10 | - | 9 | - | 5 | - |
| Metereology & atmospheric sciences | - | 8 | - | - | - | - |
| Nuclear science & technology | 3 | 5 | 4 | 6 | 3 | 4 |
| Physics | 1 | 1 | 2 | 2 | 1 | 1 |
| Physics, Applied | 4 | 3 | 3 | 8 | 7 | 2 |
| Physics, Condensed Matter | 2 | 2 | 1 | 1 | 2 | 3 |
| Physics, Fluids & Plasmas | - | 10 | - | - | - | - |
| Physics, Nuclear | 5 | 9 | 5 | 4 | 4 | 5 |
| Physics, Particles & Fields | 9 | - | 10 | 69 | 6 | 9 |
| Spectroscopy | - | - | - | - | 10 | - |