| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Less than 6 month | 121 | 117 |
3%
|
| 2 | From 6 months to less than one year | 136 | 135 |
3.4%
|
| 3 | One year and more | 403 | 395 |
9.9%
|
| 4 | Not Specified | 992 | 974 |
24.5%
|
| Sysmiss | 2320 | 2351 |