| Value | Category | Cases | |
|---|---|---|---|
| 0 | 106 |
28.2%
|
|
| 1 | 20 |
5.3%
|
|
| 2 | 220 |
58.5%
|
|
| 3 | 18 |
4.8%
|
|
| 4 | 4 |
1.1%
|
|
| 5 | 6 |
1.6%
|
|
| 6 | 2 |
0.5%
|
|
| Sysmiss | 416 |