| Value | Category | Cases | |
|---|---|---|---|
| 0 | 91 |
40.3%
|
|
| 1 | 90 |
39.8%
|
|
| 2 | 31 |
13.7%
|
|
| 3 | 11 |
4.9%
|
|
| 4 | 3 |
1.3%
|
|
| Sysmiss | 988 |