| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 2 |
5.1%
|
| 2 | Months | 1 |
2.6%
|
| 3 | Weeks | 7 |
17.9%
|
| 4 | Years | 25 |
64.1%
|
| 5 | Don't know | 0 |
0%
|
| 6 | Not Applicable | 0 |
0%
|
| 7 | Refused | 3 |
7.7%
|
| 8 | Missing | 0 |
0%
|
| 9 | 1 |
2.6%
|