| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| request operating authority letter | 1.25 | 1 | 2724 | 8 | 34 |
| request | 1.91 | 0.5 | 5581 | 55 | 7 |
| operating | 1.82 | 0.6 | 7344 | 15 | 9 |
| authority | 1.28 | 0.9 | 757 | 54 | 9 |
| letter | 0.47 | 0.5 | 9662 | 17 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| request operating authority letter | 1.86 | 0.8 | 7179 | 7 |
