| Operation approach | Mean | Dev. std. | Median | Minimum | Maximum |
| Open | 227.81 | 62.21 | 217.50 | 150.00 | 425.00 |
| VL | 329.09 | 45.65 | 345.00 | 240.00 | 390.00 |
| VL converted | 280.62 | 69.08 | 280.00 | 160.00 | 450.00 |