| Value | Category | Cases | |
|---|---|---|---|
| 0 | 52 |
6.8%
|
|
| 1 | 19 |
2.5%
|
|
| 2 | 60 |
7.8%
|
|
| 3 | 74 |
9.7%
|
|
| 4 | 136 |
17.8%
|
|
| 5 | 72 |
9.4%
|
|
| 6 | 353 |
46.1%
|
|
| Sysmiss | 2 |