| Value | Category | Cases | |
|---|---|---|---|
| 0 | 48 |
3.3%
|
|
| 1 | 308 |
21.1%
|
|
| 2 | 270 |
18.5%
|
|
| 3 | 253 |
17.4%
|
|
| 4 | 134 |
9.2%
|
|
| 5 | 33 |
2.3%
|
|
| 6 | 411 |
28.2%
|
|
| Sysmiss | 23657 |