| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 3 |
6.5%
|
| 2 | Months | 4 |
8.7%
|
| 3 | Weeks | 16 |
34.8%
|
| 4 | Years | 8 |
17.4%
|
| 6 | Don't know | 0 |
0%
|
| 7 | Not Applicable | 14 |
30.4%
|
| 8 | Refused | 1 |
2.2%
|
| 9 | Missing | 0 |
0%
|