| Value | Category | Cases | |
|---|---|---|---|
| 0 | 199 |
71.8%
|
|
| 1 | 58 |
20.9%
|
|
| 2 | 18 |
6.5%
|
|
| 3 | 2 |
0.7%
|
|
| Sysmiss | 801 |