| Value | Category | Cases | |
|---|---|---|---|
| 0 | 281 |
31.4%
|
|
| 1 | 394 |
44%
|
|
| 2 | 172 |
19.2%
|
|
| 3 | 41 |
4.6%
|
|
| 4 | 5 |
0.6%
|
|
| 5 | 3 |
0.3%
|
|
| Sysmiss | 320 |