Below is a list of cities using Opeka and in which month there is most answers from that municipality each year.
| Municipality | Answer time | Respondents |
|---|---|---|
| 2012 | ||
| Kuortane | 12/2012 | 34 pcs |
| Joroinen | 12/2012 | 46 pcs |
| Rovaniemi | 11/2012 | 63 pcs |
| Lohja | 11/2012 | 24 pcs |
| Kärsämäki | 11/2012 | 30 pcs |
| Pieksämäki | 11/2012 | 93 pcs |
| Sastamala | 11/2012 | 70 pcs |
| Kouvola | 11/2012 | 88 pcs |
| Juupajoki | 10/2012 | 18 pcs |
| Vihti | 10/2012 | 221 pcs |
| Mänttä-Vilppula | 10/2012 | 51 pcs |
| Rauma | 10/2012 | 7 pcs |
| Hämeenlinna | 10/2012 | 60 pcs |
| Lempäälä | 10/2012 | 76 pcs |
| Tampere | 10/2012 | 644 pcs |
| Orivesi | 10/2012 | 60 pcs |
| Kangasala | 10/2012 | 238 pcs |
| Ylöjärvi | 10/2012 | 204 pcs |
| Virrat | 10/2012 | 17 pcs |
| Pirkkala | 09/2012 | 79 pcs |
| Vesilahti | 09/2012 | 49 pcs |
| Nokia | 05/2012 | 164 pcs |