| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Less than 12 months | 474 | 279 |
56.4%
|
| 2 | 12-23 months | 193 | 108 |
21.8%
|
| 3 | 2 years or more | 221 | 108 |
21.8%
|
| 9 | 4 | 2 | ||
| Sysmiss | 2898 | 1874 |