| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 0 |
0%
|
| 2 | Months | 0 |
0%
|
| 3 | Weeks | 0 |
0%
|
| 4 | Years | 0 |
0%
|
| 6 | Don't know | 0 |
0%
|
| 7 | Not Applicable | 2 |
100%
|
| 8 | Refused | 0 |
0%
|
| 9 | Missing | 0 |
0%
|