| Value | Category | Cases | |
|---|---|---|---|
| 0 | 293 |
54.8%
|
|
| 1 | 193 |
36.1%
|
|
| 2 | 36 |
6.7%
|
|
| 3 | 8 |
1.5%
|
|
| 4 | 4 |
0.7%
|
|
| 18 | 1 |
0.2%
|
|
| Sysmiss | 26 |