| Value | Category | Cases | |
|---|---|---|---|
| 0 | 831 |
93.9%
|
|
| 1 | 7 |
0.8%
|
|
| 2 | 17 |
1.9%
|
|
| 3 | 30 |
3.4%
|
|
| Sysmiss | 1 |