| Value | Category | Cases | |
|---|---|---|---|
| 0 | 376 |
39.6%
|
|
| 1 | 471 |
49.6%
|
|
| 2 | 79 |
8.3%
|
|
| 3 | 16 |
1.7%
|
|
| 4 | 7 |
0.7%
|
|
| Sysmiss | 51 |