| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what does the drake equation describe | 0.56 | 0.5 | 7383 | 52 |
| the drake equation was an attempt to | 1.3 | 0.1 | 1985 | 100 |
| the drake equation is an attempt to estimate | 0.45 | 0.7 | 7723 | 42 |
| what does the drake equation attempt to do | 1.13 | 1 | 7506 | 92 |
| the drake equation attempts to predict | 1.42 | 1 | 2011 | 13 |
| the drake equation attempts to determine | 0.62 | 0.7 | 2609 | 47 |
| the drake equation is attempting to find | 0.51 | 0.1 | 6628 | 87 |
| the answer to the drake equation | 0.14 | 0.7 | 1605 | 20 |
| what is the drake equation used to | 1 | 0.1 | 3628 | 36 |
| what is the drake equation answer | 0.55 | 0.7 | 4033 | 5 |
