| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
2.9%
|
|
| 1 | 193 |
31.5%
|
|
| 2 | 117 |
19.1%
|
|
| 3 | 82 |
13.4%
|
|
| 4 | 54 |
8.8%
|
|
| 5 | 16 |
2.6%
|
|
| 6 | 132 |
21.6%
|
|
| Sysmiss | 24558 |