| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| united states in 1991 | 0.51 | 0.6 | 1271 | 13 | 21 |
| united | 0.35 | 0.2 | 1912 | 71 | 6 |
| states | 1.69 | 0.1 | 8594 | 70 | 6 |
| in | 1.65 | 0.8 | 5427 | 79 | 2 |
| 1991 | 1.85 | 0.6 | 8879 | 94 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| united states in 1991 | 1.94 | 0.2 | 7719 | 72 |
