| Value | Category | Cases | |
|---|---|---|---|
| 0 | 137 |
62.3%
|
|
| 1 | 64 |
29.1%
|
|
| 2 | 11 |
5%
|
|
| 3 | 1 |
0.5%
|
|
| 99 | Not applicable | 7 |
3.2%
|
| Sysmiss | 30 |