| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| how many helicopters were used in vietnam | 0.05 | 0.6 | 857 | 83 | 41 |
| how | 0.57 | 0.4 | 478 | 74 | 3 |
| many | 1 | 0.6 | 8300 | 2 | 4 |
| helicopters | 0.95 | 1 | 6808 | 35 | 11 |
| were | 1.13 | 0.2 | 8116 | 54 | 4 |
| used | 1.05 | 0.4 | 3475 | 11 | 4 |
| in | 0.15 | 0.1 | 2181 | 81 | 2 |
| vietnam | 1.66 | 0.1 | 6812 | 18 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how many helicopters were used in vietnam | 0.77 | 0.2 | 2565 | 7 |
