| Value | Category | Cases | |
|---|---|---|---|
| 0 | 704 |
46.2%
|
|
| 1 | 546 |
35.8%
|
|
| 2 | 189 |
12.4%
|
|
| 3 | 58 |
3.8%
|
|
| 4 | 24 |
1.6%
|
|
| 5 | 4 |
0.3%
|
|
| Sysmiss | 56 |