| Value | Category | Cases | |
|---|---|---|---|
| 0 | 135 |
6.1%
|
|
| 1 | 319 |
14.3%
|
|
| 2 | 870 |
39.1%
|
|
| 3 | 253 |
11.4%
|
|
| 4 | 480 |
21.6%
|
|
| 5 | 167 |
7.5%
|
|
| Sysmiss | 5 |