Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
what year did hpv vaccine start | 0.19 | 1 | 6821 | 40 |
hpv vaccine started what year | 1.35 | 0.3 | 8762 | 73 |
hpv vaccine year started | 1.38 | 0.3 | 5341 | 87 |
what year did they start giving hpv vaccine | 0.32 | 0.9 | 605 | 22 |
what year was hpv vaccine started | 0.97 | 0.9 | 954 | 66 |