| Value | Category | Cases | |
|---|---|---|---|
| 0 | 10 |
3.5%
|
|
| 1 | 181 |
64%
|
|
| 2 | 54 |
19.1%
|
|
| 3 | 22 |
7.8%
|
|
| 4 | 12 |
4.2%
|
|
| 5 | 4 |
1.4%
|
|
| Sysmiss | 2751 |