| Value | Category | Cases | |
|---|---|---|---|
| 0 | 277 |
49.4%
|
|
| 1 | 226 |
40.3%
|
|
| 2 | 45 |
8%
|
|
| 3 | 9 |
1.6%
|
|
| 4 | 4 |
0.7%
|
|
| Sysmiss | 226 |