| Omnibus | Deadline for confirmation of questions | Fieldwork Period | Days left to confirm questions |
|---|---|---|---|
| Omnibus 1 | 05.01 | 15.01 ... 21.01 | |
| Omnibus 2 | 26.01 | 05.02 ... 11.02 | 10 |
| Omnibus 3 | 23.02 | 05.03 ... 11.03 | 38 |
| Omnibus 4 | 23.03 | 02.04 ... 08.04 | 66 |
| Omnibus 5 | 27.04 | 07.05 ... 13.05 | 101 |
| Omnibus 6 | 25.05 | 04.06 ... 10.06 | 129 |
| Omnibus 8 | 27.07 | 06.08 ... 12.08 | 192 |
| Omnibus 9 | 24.08 | 03.09 ... 09.09 | 220 |
| Omnibus 10 | 21.09 | 01.10 ... 07.10 | 248 |
| Omnibus 11 | 26.10 | 05.11 ... 11.11 | 283 |
| Omnibus 12 | 23.11 | 03.12 ... 09.12 | 311 |
