| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 9704 |
58.4%
|
| 1 | 1 | 3955 |
23.8%
|
| 2 | 2 | 2637 |
15.9%
|
| 3 | 3 | 308 |
1.9%
|
| Sysmiss | 261 |