| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not stated | 605 |
38.6%
|
| 2 | Less than 1 month | 174 |
11.1%
|
| 3 | 1 month – less than 3 monthes | 186 |
11.9%
|
| 4 | 3 months – less than 6 months | 203 |
12.9%
|
| 5 | 6 months – one year | 400 |
25.5%
|
| Sysmiss | 68260 |