| Value | Category | Cases | |
|---|---|---|---|
| 0 | 476 |
36.6%
|
|
| 1 | 325 |
25%
|
|
| 2 | 172 |
13.2%
|
|
| 3 | 113 |
8.7%
|
|
| 4 | 136 |
10.5%
|
|
| 5 | 27 |
2.1%
|
|
| 6 | 51 |
3.9%
|
|
| Sysmiss | 40 |