| Test number | X1 | X2 | X3 | X4 | Extraction rate/% |
| 1 | −1 | −1 | 0 | 0 | 86.58 |
| 2 | 1 | −1 | 0 | 0 | 88.49 |
| 3 | −1 | 1 | 0 | 0 | 89.69 |
| 4 | 1 | 1 | 0 | 0 | 90.89 |
| 5 | 0 | 0 | −1 | −1 | 90.24 |
| 6 | 0 | 0 | 1 | −1 | 88.76 |
| 7 | 0 | 0 | −1 | 1 | 90.12 |
| 8 | 0 | 0 | 1 | 1 | 90.74 |
| 9 | −1 | 0 | 0 | −1 | 88.72 |
| 10 | 1 | 0 | 0 | −1 | 90.41 |
| 11 | −1 | 0 | 0 | 1 | 89.71 |
| 12 | 1 | 0 | 0 | 1 | 91.02 |
| 13 | 0 | −1 | −1 | 0 | 87.25 |
| 14 | 0 | 1 | −1 | 0 | 90.99 |
| 15 | 0 | −1 | 1 | 0 | 87.95 |
| 16 | 0 | 1 | 1 | 0 | 89.65 |
| 17 | −1 | 0 | −1 | 0 | 88.07 |
| 18 | 1 | 0 | −1 | 0 | 90.35 |
| 19 | −1 | 0 | 1 | 0 | 88.44 |
| 20 | 1 | 0 | 1 | 0 | 89.29 |
| 21 | 0 | −1 | 0 | −1 | 87.44 |
| 22 | 0 | 1 | 0 | −1 | 91.33 |
| 23 | 0 | −1 | 0 | 1 | 89.66 |
| 24 | 0 | 1 | 0 | 1 | 91.11 |
| 25 | 0 | 0 | 0 | 0 | 91.31 |
| 26 | 0 | 0 | 0 | 0 | 91.34 |
| 27 | 0 | 0 | 0 | 0 | 91.37 |
| 28 | 0 | 0 | 0 | 0 | 91.35 |
| 29 | 0 | 0 | 0 | 0 | 91.37 |