| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nih federal identifier number | 1.31 | 0.6 | 6371 | 3 | 29 |
| nih | 2 | 0.5 | 9581 | 22 | 3 |
| federal | 0.52 | 0.2 | 5050 | 12 | 7 |
| identifier | 0.17 | 0.8 | 5438 | 59 | 10 |
| number | 1.33 | 0.7 | 6444 | 49 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nih federal identifier number | 0.08 | 0.4 | 9925 | 20 |
