| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| the drake equation estimate | 1.8 | 1 | 7345 | 9 | 27 |
| the | 1.23 | 0.9 | 60 | 80 | 3 |
| drake | 1.8 | 1 | 2352 | 54 | 5 |
| equation | 0.74 | 0.7 | 2530 | 4 | 8 |
| estimate | 1.17 | 0.3 | 87 | 64 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the drake equation estimate | 0.62 | 0.5 | 7444 | 73 |
