| Tenured or tenure-track faculty |
26% | 23% | 33% | 30% |
| Laboratory or observatory staff |
13% | 13% | 11% | 14% |
| Total permanent positions |
39% | 36% | 44% | 44% |
| Postdoctoral positions |
13% | 4% | 17% | 7% |
| Other temporary positions |
26% | 27% | 33% | 23% |
| Total temporary positions |
39% | 31% | 50% | 30% |
| Industry and other |
22% | 33% | 6% | 25% |