| Lag | LogL | LR | FPE | AIC | SC | HQ | 
| 0 | −47.5733 | NA | 0.0007 | 1.2335 | 1.3215 | 1.2688 | 
| 1 | 166.8795 | 407.9834 | 4.59e−06 | −3.7775 | −3.4253 | −3.6361 | 
| 2 | 214.6916 | 87.4612* | 1.78e−06* | −4.7242* | −4.1078* | −4.4767* |