| Value | Category | Cases | |
|---|---|---|---|
| 0 | 319 |
22.9%
|
|
| 1 | 293 |
21.1%
|
|
| 2 | 214 |
15.4%
|
|
| 3 | 150 |
10.8%
|
|
| 4 | 67 |
4.8%
|
|
| 5 | 121 |
8.7%
|
|
| 6 | 226 |
16.3%
|
|
| Sysmiss | 14 |