| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| how many helicopter pilots died in vietnam | 1.67 | 0.7 | 6697 | 38 | 42 |
| how | 0.42 | 0.3 | 3382 | 57 | 3 |
| many | 0.19 | 0.4 | 8938 | 91 | 4 |
| helicopter | 1.05 | 0.3 | 4628 | 88 | 10 |
| pilots | 0.98 | 0.4 | 2522 | 15 | 6 |
| died | 0.55 | 0.2 | 5583 | 46 | 4 |
| in | 0.22 | 0.5 | 877 | 63 | 2 |
| vietnam | 1.52 | 0.5 | 4880 | 11 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how many helicopter pilots died in vietnam | 1.87 | 1 | 345 | 54 |
