| Value | Category | Cases | |
|---|---|---|---|
| 0 | 131 |
19%
|
|
| 1 | 304 |
44.1%
|
|
| 2 | 180 |
26.1%
|
|
| 3 | 59 |
8.6%
|
|
| 4 | 11 |
1.6%
|
|
| 5 | 3 |
0.4%
|
|
| 6 | 2 |
0.3%
|
|
| Sysmiss | 310 |