| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| 1982 penny difference in copper and zinc | 0.54 | 0.9 | 6093 | 79 | 40 |
| 1982 | 1.46 | 0.9 | 1849 | 71 | 4 |
| penny | 1.8 | 0.6 | 8316 | 88 | 5 |
| difference | 1.89 | 1 | 9901 | 93 | 10 |
| in | 0.04 | 0.1 | 3810 | 68 | 2 |
| copper | 1.28 | 0.6 | 300 | 19 | 6 |
| and | 1.97 | 0.1 | 7649 | 6 | 3 |
| zinc | 1.93 | 0.3 | 3201 | 80 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| 1982 penny difference in copper and zinc | 1.61 | 0.3 | 1500 | 89 |
