| Value | Category | Cases | |
|---|---|---|---|
| 0 | 47 |
5.1%
|
|
| 1 | 93 |
10.1%
|
|
| 2 | 209 |
22.7%
|
|
| 3 | 244 |
26.6%
|
|
| 4 | 326 |
35.5%
|
|
| Sysmiss | 136 |