| Value | Category | Cases | |
|---|---|---|---|
| 0 | 324 |
54.8%
|
|
| 1 | 166 |
28.1%
|
|
| 2 | 68 |
11.5%
|
|
| 3 | 20 |
3.4%
|
|
| 4 | 8 |
1.4%
|
|
| 5 | 4 |
0.7%
|
|
| 7 | 1 |
0.2%
|
|
| Sysmiss | 78 |