| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-12 months | 3 |
0.6%
|
| 2 | >12 months | 38 |
7.5%
|
| 7 | N/A | 469 |
92%
|
| 8 | DK | 0 |
0%
|
| Sysmiss | 2 |