| Value | Category | Cases | |
|---|---|---|---|
| 0 | 26 |
4.4%
|
|
| 1 | 199 |
33.4%
|
|
| 2 | 91 |
15.3%
|
|
| 3 | 59 |
9.9%
|
|
| 4 | 160 |
26.8%
|
|
| 5 | 61 |
10.2%
|
|
| Sysmiss | 4 |