| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 31 |
51.7%
|
| 1 | 2 | 2 |
3.3%
|
| 2 | 3 | 10 |
16.7%
|
| 3 | 98 | 8 |
13.3%
|
| 4 | 99 | 9 |
15%
|
| Sysmiss | 1850 |