| Value | Category | Cases | |
|---|---|---|---|
| 1 | Upto 6 months | 100 |
8.1%
|
| 2 | 6 months to 1 year | 205 |
16.6%
|
| 3 | 1 year to 2 years | 350 |
28.3%
|
| 4 | More than 2 years | 290 |
23.5%
|
| 888 | Don’t know | 291 |
23.5%
|
| Sysmiss | 4764 |