| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when was 4 years ago | 0.1 | 0.9 | 1117 | 76 |
| when was 4 years ago from today | 1.78 | 0.4 | 1123 | 85 |
| 4 score and 7 years ago | 1.19 | 0.1 | 1032 | 29 |
| 4 years ago | 1.64 | 0.6 | 9417 | 9 |
| 4 years ago today | 0.16 | 0.1 | 1852 | 20 |
| what year was it 4 years ago | 1.17 | 0.6 | 6496 | 93 |
| what did earth look like 4 billion years ago | 0.09 | 0.8 | 1958 | 28 |
| are you better off now than 4 years ago | 1.64 | 1 | 1160 | 58 |
| what year was 4 years ago | 0.27 | 0.7 | 6489 | 56 |
| what happened 4 years ago today | 1.99 | 0.6 | 9165 | 75 |
