| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 month | 12 |
4.7%
|
| 2 | 1 to 2 months | 30 |
11.7%
|
| 3 | 3 to 6 months | 63 |
24.6%
|
| 4 | 7 to 11 months | 13 |
5.1%
|
| 5 | 1-2 years | 54 |
21.1%
|
| 6 | 3 or more years | 84 |
32.8%
|
| Sysmiss | 30351 |