| Value | Category | Cases | |
|---|---|---|---|
| 0 | 96 |
20.8%
|
|
| 1 | 81 |
17.5%
|
|
| 2 | 104 |
22.5%
|
|
| 3 | 128 |
27.7%
|
|
| 4 | 21 |
4.5%
|
|
| 5 | 32 |
6.9%
|
|
| Sysmiss | 12 |