| Value | Category | Cases | |
|---|---|---|---|
| 0 | 504 |
80.3%
|
|
| 1 | 9 |
1.4%
|
|
| 2 | 49 |
7.8%
|
|
| 3 | 66 |
10.5%
|
|
| Sysmiss | 2319 |