| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Less than 12 monthe | 577 | 540 |
57.2%
|
| 2 | 12 to 23 months | 360 | 328 |
34.7%
|
| 3 | 2 years or more | 88 | 77 |
8.1%
|
| 9 | 1 | 1 | ||
| Sysmiss | 10513 | 10375 |