| Value | Category | Cases | |
|---|---|---|---|
| 0 | 148 |
6.7%
|
|
| 1 | 580 |
26.4%
|
|
| 2 | 1239 |
56.4%
|
|
| 3 | 230 |
10.5%
|
|
| Sysmiss | 1737 |