| Value | Category | Cases | |
|---|---|---|---|
| 0 | 339 |
22.3%
|
|
| 1 | 269 |
17.7%
|
|
| 2 | 423 |
27.8%
|
|
| 3 | 338 |
22.3%
|
|
| 4 | 150 |
9.9%
|
|
| Sysmiss | 44 |