| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| helicopters used in vietnam | 1.96 | 0.1 | 2918 | 31 | 27 |
| helicopters | 1.77 | 0.5 | 7577 | 58 | 11 |
| used | 1.96 | 1 | 2791 | 23 | 4 |
| in | 0.36 | 0.3 | 1279 | 91 | 2 |
| vietnam | 0.09 | 0.5 | 671 | 90 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| helicopters used in vietnam | 1.12 | 0.6 | 3618 | 91 |
