| module | Initial eigenvalue | Extraction of the square sum of loads | ||||
| Total | Percentage of variance | Cumulative % | Total | Percentage of variance | Cumulative % | |
| 1 | 2.562 | 64.046 | 64.046 | 2.562 | 64.046 | 64.046 |
| 2 | .937 | 23.424 | 87.470 |
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| 3 | .345 | 8.637 | 96.107 |
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| 4 | .156 | 3.893 | 100.000 |
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