| Plugs number | Average total dose output (nC) | Output decrease (%) |
| No plug | 10.45 | 0% |
| 1 plug | 10.4 | −0.5% |
| 2 plug | 10.35 | −1.0% |
| 3 plug | 10.3 | −1.4% |
| 4 plug | 10.25 | −1.9% |
| 5 plug | 10.2 | −2.4% |