| Value | Category | Cases | |
|---|---|---|---|
| 0 | 47 |
18.9%
|
|
| 1 | 175 |
70.3%
|
|
| 2 | 26 |
10.4%
|
|
| 3 | 1 |
0.4%
|
|
| Sysmiss | 61 |