| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2197 |
15.4%
|
|
| 1 | 5545 |
38.9%
|
|
| 2 | 3356 |
23.6%
|
|
| 3 | 1656 |
11.6%
|
|
| 4 | 755 |
5.3%
|
|
| 5 | 346 |
2.4%
|
|
| 6 | 388 |
2.7%
|
|
| Sysmiss | 479 |