| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 0 |
0%
|
| 1 | 2 | 3 |
3.3%
|
| 2 | 3 | 89 |
96.7%
|
| 3 | 4 | 0 |
0%
|
| Sysmiss | 270 |