| Author count (observations) . | 1st author . | 2nd author . | 3rd author . | 4th author . | 5th author . |
|---|---|---|---|---|---|
| 2 (6) | 71 | 29 | |||
| 3 (12) | 61 | 26 | 13 | ||
| 4 (13) | 54 | 31 | 9 | 6 | |
| 5 (11) | 34 | 14 | 11 | 17 | 24 |
| Author count (observations) . | 1st author . | 2nd author . | 3rd author . | 4th author . | 5th author . |
|---|---|---|---|---|---|
| 2 (6) | 71 | 29 | |||
| 3 (12) | 61 | 26 | 13 | ||
| 4 (13) | 54 | 31 | 9 | 6 | |
| 5 (11) | 34 | 14 | 11 | 17 | 24 |