| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| tokaimura criticality accident | 0.08 | 0.1 | 8990 | 64 | 30 |
| tokaimura | 1.12 | 0.2 | 3292 | 27 | 9 |
| criticality | 0.08 | 0.5 | 8938 | 45 | 11 |
| accident | 0.9 | 0.7 | 2933 | 67 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| tokaimura criticality accident | 0.54 | 0.4 | 5512 | 10 |
| tokaimura criticality accident 1999 | 1.04 | 0.5 | 5031 | 91 |
| tokaimura criticality incident | 0.3 | 0.7 | 7401 | 11 |
| september 30 1999 tokaimura japan | 1.63 | 0.6 | 3362 | 23 |
| nuclear accident tokaimura japan 1999 man | 1.73 | 0.4 | 6110 | 40 |
| tokaimura nuclear accident victim | 1.56 | 0.2 | 3174 | 27 |
| acidente de tokaimura 1999 | 1.78 | 0.4 | 9302 | 100 |
| tokaimura japan 1999-level 4 | 1.58 | 0.9 | 6853 | 64 |
