| 统计量 | 统计值 |
| Mean | 0.0330 |
| Minimum | −2.1025 |
| Maximum | 1.3433 |
| 1st Quartile | −0.1735 |
| 3rd Quartile | 0.2628 |
| Median | 0.0291 |
| Std. dev. | 0.4237 |
| Skewness | −0.7303 |
| Excess. Kurtosis | 3.2924 |
| Observations | 378 |