| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2344 |
22.9%
|
|
| 1 | 3682 |
36%
|
|
| 2 | 2569 |
25.1%
|
|
| 3 | 1206 |
11.8%
|
|
| 4 | 353 |
3.4%
|
|
| 5 | 63 |
0.6%
|
|
| 6 | 15 |
0.1%
|
|
| Sysmiss | 1293 |