| 特征根 | 贡献率 | 累计贡献率 | |||
| 补贴前 | 补贴后 | 补贴前 | 补贴后 | 补贴前 | 补贴后 |
| 1.4456 | 1.5668 | 50.3698 | 52.2252 | 84.1697 | 85.2252 |
| 1.3921 | 1.4961 | 52.5565 | 56.4035 | 85.1348 | 86.6287 |
| 1.1411 | 1.1487 | 41.3713 | 46.3713 | 74.6984 | 76.1646 |
| 1.6984 | 1.8752 | 59.6379 | 60.9476 | 86.8765 | 87.6446 |