| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 772 |
90.8%
|
| 1 | 2 | 65 |
7.6%
|
| 2 | 3 | 10 |
1.2%
|
| 3 | 8 | 3 |
0.4%
|
| Sysmiss | 1028 |