| Statistical quantity Data | Average (mm) | Standard deviation (mm) | Variance | |
| All data | −5.218 | 1.733 | 3.004 | |
| 15 data sections | Simple moving average method | −5.108 | 0.212 | 0.045 |
| Weighted moving average method | −5.117 | 0.310 | 0.096 | |
| Exponential moving average method | −5.174 | 0.306 | 0.094 | |