| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 2 |
4.4%
|
| 1 | 2 | 4 |
8.9%
|
| 2 | 3 | 9 |
20%
|
| 3 | 98 | 29 |
64.4%
|
| 4 | 99 | 1 |
2.2%
|
| Sysmiss | 1232 |