| Value | Category | Cases | |
|---|---|---|---|
| 0 | 136 |
19.5%
|
|
| 1 | 302 |
43.4%
|
|
| 2 | 172 |
24.7%
|
|
| 3 | 86 |
12.4%
|
|
| Sysmiss | 1 |