| Value | Category | Cases | |
|---|---|---|---|
| 0 | 33 |
4.4%
|
|
| 1 | 56 |
7.4%
|
|
| 2 | 164 |
21.6%
|
|
| 3 | 245 |
32.3%
|
|
| 4 | 202 |
26.6%
|
|
| 5 | 45 |
5.9%
|
|
| 6 | 13 |
1.7%
|
|
| Sysmiss | 1471 |