| Value | Category | Cases | |
|---|---|---|---|
| 0 | 91 |
6.5%
|
|
| 1 | 45 |
3.2%
|
|
| 2 | 8 |
0.6%
|
|
| 3 | 213 |
15.3%
|
|
| 4 | 1039 |
74.4%
|
|
| Sysmiss | 174 |