| Module | Initial eigenvalue | Extraction of the square sum of loads | ||||
| Total | Percentage of variance | Cumulative % | Total | Percentage of variance | Cumulative % | |
| 1 | 3.339 | 83.465 | 83.465 | 3.339 | 83.465 | 83.465 |
| 2 | .527 | 13.187 | 96.652 |
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| 3 | .131 | 3.275 | 99.927 |
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| 4 | .003 | .073 | 100.000 |
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