| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 110 |
53.4%
|
| 1 | 1 | 72 |
35%
|
| 2 | 2 | 21 |
10.2%
|
| 3 | 3 | 3 |
1.5%
|
| Sysmiss | 48 |