| Value | Category | Cases | |
|---|---|---|---|
| 0 | 97 |
28.4%
|
|
| 1 | 171 |
50.1%
|
|
| 2 | 45 |
13.2%
|
|
| 3 | 27 |
7.9%
|
|
| 4 | 1 |
0.3%
|
|
| Sysmiss | 339 |