| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| us coal production by year | 0.14 | 0.1 | 2054 | 100 | 26 |
| us | 1.66 | 0.5 | 5396 | 10 | 2 |
| coal | 1.98 | 0.6 | 9847 | 94 | 4 |
| production | 1.89 | 1 | 1097 | 38 | 10 |
| by | 1.14 | 0.8 | 9538 | 99 | 2 |
| year | 1.39 | 1 | 5811 | 41 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| us coal production by year | 0.56 | 0.7 | 6268 | 35 |
| us coal production by year graph | 0.81 | 0.9 | 2824 | 79 |
| us coal production by year chart | 0.88 | 0.7 | 9519 | 45 |
| us coal production by state | 1.08 | 0.3 | 2544 | 49 |
| world coal production by year | 0.53 | 0.6 | 3862 | 35 |
| us coal production over time | 0.11 | 0.8 | 1514 | 19 |
| global coal production by year | 1.34 | 0.3 | 81 | 35 |
| us states by coal production | 0.03 | 0.6 | 3240 | 89 |
| us coal use by year | 1.48 | 0.2 | 4757 | 5 |
| how much coal is produced in usa | 1.86 | 0.8 | 3616 | 5 |
| north america coal production | 0.99 | 0.8 | 7728 | 1 |
