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Total explained variance for terms that explained the public health measures against COVID-19.
| Measure | PCa 1 | PC 2 | PC 3 | PC 4 | PC 5 |
| Total initial eigenvalue | 3.768 | 0.933 | 0.24 | 0.035 | 0.023 |
| Variance, % | 75.359 | 18.665 | 4.799 | 0.71 | 0.466 |
| Cumulative variance, % | 75.359 | 94.025 | 98.824 | 99.534 | 100 |
aPC: principal component.
