| Value | Category | Cases | |
|---|---|---|---|
| 0 | 220 |
10.2%
|
|
| 1 | 254 |
11.8%
|
|
| 2 | 727 |
33.8%
|
|
| 3 | 358 |
16.6%
|
|
| 4 | 437 |
20.3%
|
|
| 5 | 156 |
7.2%
|
|
| Sysmiss | 11 |