| Value | Category | Cases | |
|---|---|---|---|
| 0 | 156 |
73.9%
|
|
| 1 | 25 |
11.8%
|
|
| 2 | 20 |
9.5%
|
|
| 3 | 6 |
2.8%
|
|
| 4 | 3 |
1.4%
|
|
| 6 | 1 |
0.5%
|
|
| Sysmiss | 260 |