Table 3
Distribution of production.
| No. of documents | Authorships | % n | Lotka |
| 1 | 123 | 76.9 % | Occasional producers |
| 2 | 28 | 17.5 % | Occasional producers |
| 3 | 3 | 1.9 % | Occasional producers |
| 4 | 1 | 0.6 % | Medium-sized producers |
| 5 | 1 | 0.6 % | Medium-sized producers |
| 6 | 2 | 1.2 % | Medium-sized producers |
| 13 | 1 | 0.6 % | Large producer |
| Source: own compilation. | |||
