| V1 | V2 | V3 | V4 | V5 | V6 | V7 | |
| V1 | 1.00 | −0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 |
| V2 | −0.01 | 1.00 | −0.03 | 0.35 | −0.08 | 0.00 | −0.03 |
| V3 | 0.00 | −0.03 | 1.00 | 0.38 | 0.68 | 0.00 | 0.00 |
| V4 | 0.00 | 0.35 | 0.38 | 1.00 | −0.38 | 0.00 | −0.01 |
| V5 | 0.00 | −0.08 | 0.68 | −0.38 | 1.00 | 0.00 | 0.00 |
| V6 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.81 |
| V7 | 0.02 | −0.03 | 0.00 | −0.01 | −0.00 | 0.81 | 1.00 |