| Value | Category | Cases | |
|---|---|---|---|
| 0 | 96 |
6.9%
|
|
| 1 | 53 |
3.8%
|
|
| 2 | 80 |
5.7%
|
|
| 3 | 262 |
18.8%
|
|
| 4 | 905 |
64.8%
|
|
| Sysmiss | 174 |