| Value | Category | Cases | |
|---|---|---|---|
| 0 | 921 |
20.8%
|
|
| 1 | 988 |
22.3%
|
|
| 2 | 943 |
21.3%
|
|
| 3 | 756 |
17.1%
|
|
| 4 | 645 |
14.5%
|
|
| 5 | 181 |
4.1%
|
|
| Sysmiss | 9 |