| module | Initial eigenvalue | Extraction of the square sum of loads | ||||
| Total | Percentage of variance | Cumulative % | Total | Percentage of variance | Cumulative % | |
| 1 | 3.124 | 78.109 | 78.109 | 3.124 | 78.109 | 78.109 |
| 2 | .509 | 12.724 | 90.833 |
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| 3 | .311 | 7.768 | 98.601 |
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| 4 | .056 | 1.399 | 100.000 |
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