| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.8%
|
|
| 1 | 55 |
21.1%
|
|
| 2 | 192 |
73.6%
|
|
| 3 | 12 |
4.6%
|
|
| Sysmiss | 1302 |