| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| helicopter pilots killed in vietnam | 0.97 | 0.9 | 1242 | 7 | 35 |
| helicopter | 0.31 | 0.9 | 7248 | 69 | 10 |
| pilots | 1.23 | 0.3 | 6938 | 12 | 6 |
| killed | 1.28 | 1 | 2309 | 7 | 6 |
| in | 1.35 | 0.9 | 1696 | 33 | 2 |
| vietnam | 0.07 | 0.6 | 2918 | 18 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| helicopter pilots killed in vietnam | 1.56 | 0.8 | 3660 | 72 |
