| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 159 |
19.4%
|
| 2 | Months | 122 |
14.9%
|
| 3 | Weeks | 310 |
37.9%
|
| 4 | Years | 138 |
16.9%
|
| 5 | Don't know | 0 |
0%
|
| 6 | Not Applicable | 41 |
5%
|
| 7 | Refused | 41 |
5%
|
| 8 | Missing | 1 |
0.1%
|
| 9 | 6 |
0.7%
|