| DATE | Adult literacy rate female | Adult literacy rate male |
| 2016 | 69.90% | 75.62% |
| 2011 | 46.74% | 47.45% |
| 2007 | 43.74% | 49.83% |
| 2001 | 40.82% | 53.90% |
| 1991 | 25.84% | 44.31% |
| 1981 | 17.97% | 39.73% |