| Value | Category | Cases | |
|---|---|---|---|
| 0 | 961 |
47.9%
|
|
| 1 | 405 |
20.2%
|
|
| 2 | 390 |
19.4%
|
|
| 3 | 173 |
8.6%
|
|
| 4 | 56 |
2.8%
|
|
| 5 | 17 |
0.8%
|
|
| 6 | 4 |
0.2%
|
|
| Sysmiss | 3133 |