| Intervention days | week 1 | week 2 | week 3 |
| No interpretation days | 13 | 29 | 27 |
| (7.93) | (17.68) | (16.46) | |
| 1 - 3 days | 54 | 57 | 60 |
| (32.93) | (34.76) | (36.59) | |
| 4 - 7 days | 97 | 78 | 77 |
| (59.15) | (47.56) | (46.95) |