| Value | Category | Cases | |
|---|---|---|---|
| 0 | 180 |
45.8%
|
|
| 1 | 146 |
37.2%
|
|
| 2 | 52 |
13.2%
|
|
| 3 | 12 |
3.1%
|
|
| 4 | 3 |
0.8%
|
|
| Sysmiss | 2526 |