| 滞后阶数 | SC | AIC |
| 0 | −12.557 | −12.59 |
| 1 | −14.081 | −14.211 |
| 2 | −14.094* | −14.271* |
| 3 | −14.037 | −14.162 |
| 4 | −13.994 | −14.023 |
| 5 | −13.788 | −14.001 |