| Month & Year | All over India | ![]() |
|---|---|---|
| June 2019 | 29% | 69% |
| December 2018 | 36% | 61% |
| June 2018 | 28% | 78% |
| December 2017 | 38% | 81% |
| June 2017 | 41% | 83% |
| December 2016 | 46% | 83% |
| June 2016 | 39% | 63% |
| December 2015 | 34% | 55% |
| June 2015 | 25% | 54% |
| December 2014 | 14% | 33% |