| Value | Category | Cases | |
|---|---|---|---|
| 0 | 183 |
17.5%
|
|
| 1 | 63 |
6%
|
|
| 2 | 588 |
56.3%
|
|
| 3 | 211 |
20.2%
|
|
| Sysmiss | 1957 |