| Регион | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
| Приволжский федеральный округ | 35,65% | 36,28% | 36,77% | 37,68% | 39,26% | 42,92% | 42,82% | 43,02% | 43,97% | 44,70% | 45,57% |
| Республика Мордовия | 54,52% | 53,60% | 54,70% | 52,18% | 60,46% | 56,62% | 60,80% | 62,26% | 60,46% | 61,16% | 62,40% |
| Республика Марий Эл | 53,27% | 58,94% | 57,91% | 59,22% | 57,39% | 58,33% | 59,98% | 59,80% | 58,47% | 59,86% | 60,83% |
| Пермский край | 48,51% | 43,10% | 44,30% | 40,94% | 48,17% | 48,71% | 51,91% | 51,47% | 51,54% | 52,24% | 53,22% |
| Самарская область | 43,39% | 46,23% | 44,70% | 49,24% | 50,57% | 50,45% | 49,11% | 50,53% | 50,60% | 52,10% | 52,78% |
| Удмуртская Республика | 32,38% | 34,89% | 39,31% | 42,56% | 42,44% | 44,48% | 44,03% | 47,38% | 46,04% | 43,70% | 49,47% |
| Оренбургская область | 29,39% | 30,02% | 31,43% | 33,17% | 33,88% | 36,29% | 45,12% | 46,12% | 44,09% | 43,94% | 47,62% |
| Нижегородская область | 36,43% | 35,78% | 32,39% | 34,50% | 35,18% | 47,93% | 42,23% | 38,53% | 46,75% | 46,51% | 44,69% |
| Саратовская область | 32,46% | 36,08% | 38,48% | 40,63% | 44,89% | 42,23% | 42,16% | 41,44% | 39,39% | 43,50% | 43,56% |
| Чувашская Республика | 43,33% | 43,44% | 42,29% | 44,16% | 41,97% | 41,53% | 41,35% | 41,31% | 39,68% | 41,53% | 42,00% |
| Пензенская область | 25,86% | 25,88% | 34,96% | 27,60% | 28,35% | 29,15% | 31,42% | 33,80% | 33,59% | 35,60% | 41,80% |
| Республика Татарстан | 35,07% | 33,92% | 35,46% | 36,61% | 37,43% | 39,20% | 38,17% | 38,15% | 39,22% | 39,78% | 41,24% |
| Кировская область | 26,34% | 26,50% | 27,89% | 30,35% | 31,27% | 32,02% | 32,70% | 37,73% | 39,40% | 39,72% | 41,04% |
| Ульяновская область | 22,87% | 28,65% | 30,43% | 30,21% | 29,94% | 48,13% | 44,67% | 42,78% | 42,77% | 42,52% | 40,85% |
| Республика Башкортостан | 21,08% | 25,25% | 22,92% | 24,75% | 24,60% | 28,95% | 27,78% | 29,31% | 29,18% | 30,89% | 30,12% |