| Value | Category | Cases | |
|---|---|---|---|
| 0 | 50 |
27.5%
|
|
| 1 | 87 |
47.8%
|
|
| 2 | 36 |
19.8%
|
|
| 3 | 8 |
4.4%
|
|
| 4 | 1 |
0.5%
|
|
| Sysmiss | 3352 |