| Value | Category | Cases | |
|---|---|---|---|
| 1 | <1 month | 1295 |
65.9%
|
| 2 | 1-12 months | 571 |
29%
|
| 3 | >1 year | 92 |
4.7%
|
| 4 | Since birth | 8 |
0.4%
|
| Sysmiss | 12026 |