| Value | Category | Cases | |
|---|---|---|---|
| 0 | 67 |
12.4%
|
|
| 1 | 270 |
49.8%
|
|
| 2 | 202 |
37.3%
|
|
| 3 | 3 |
0.6%
|
|
| Sysmiss | 2227 |