| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1166 |
8.6%
|
|
| 1 | 7636 |
56%
|
|
| 2 | 2608 |
19.1%
|
|
| 3 | 2219 |
16.3%
|
|
| Sysmiss | 1726 |