| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when did landfills begin | 0.19 | 0.7 | 3067 | 26 | 24 |
| when | 1.62 | 0.2 | 8008 | 14 | 4 |
| did | 0.67 | 0.6 | 9582 | 28 | 3 |
| landfills | 1.66 | 0.9 | 4516 | 79 | 9 |
| begin | 0.83 | 0.1 | 3119 | 20 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when did landfills begin | 0.48 | 0.8 | 6215 | 35 |
