| Value | Category | Cases | |
|---|---|---|---|
| 0 | 43 |
20.5%
|
|
| 1 | 37 |
17.6%
|
|
| 2 | 52 |
24.8%
|
|
| 3 | 69 |
32.9%
|
|
| 4 | 9 |
4.3%
|
|
| Sysmiss | 74 |