| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| format of letter to authorities | 1.67 | 0.9 | 4030 | 36 | 31 |
| format | 0.94 | 0.2 | 906 | 40 | 6 |
| of | 1.62 | 0.7 | 7370 | 26 | 2 |
| letter | 1.79 | 0.3 | 8207 | 49 | 6 |
| to | 1.35 | 0.1 | 4023 | 14 | 2 |
| authorities | 1.45 | 0.1 | 8338 | 29 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| format of letter to authorities | 1.99 | 1 | 5590 | 91 |
