| Value | Category | Cases | |
|---|---|---|---|
| 0 | 191 |
38.3%
|
|
| 1 | 157 |
31.5%
|
|
| 2 | 146 |
29.3%
|
|
| 3 | 3 |
0.6%
|
|
| 4 | 2 |
0.4%
|
|
| Sysmiss | 1678 |