| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| polio statistics by year | 1.97 | 0.3 | 4512 | 20 | 24 |
| polio | 0.7 | 1 | 743 | 58 | 5 |
| statistics | 0.2 | 0.6 | 1103 | 6 | 10 |
| by | 1.26 | 0.4 | 3233 | 89 | 2 |
| year | 0.5 | 0.7 | 6978 | 19 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| polio statistics by year | 0.91 | 0.4 | 3269 | 100 |
