| Value | Category | Cases | |
|---|---|---|---|
| 0 | 128 |
65.6%
|
|
| 1 | 60 |
30.8%
|
|
| 2 | 6 |
3.1%
|
|
| 3 | 1 |
0.5%
|
|
| Sysmiss | 94 |