| Value | Category | Cases | |
|---|---|---|---|
| 0 | 397 |
54.1%
|
|
| 1 | 275 |
37.5%
|
|
| 2 | 49 |
6.7%
|
|
| 3 | 10 |
1.4%
|
|
| 4 | 1 |
0.1%
|
|
| 5 | 2 |
0.3%
|
|
| Sysmiss | 1343 |