| 成分 | 1 | 2 | 3 | 4 |
| 1 | 1.000 | −0.334 | 0.244 | 0.337 |
| 2 | −0.334 | 1.000 | −0.227 | −0.286 |
| 3 | 0.244 | −0.227 | 1.000 | 0.426 |
| 4 | 0.337 | −0.286 | 0.426 | 1.000 |