| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
12.9%
|
|
| 1 | 105 |
67.7%
|
|
| 2 | 22 |
14.2%
|
|
| 3 | 7 |
4.5%
|
|
| 4 | 1 |
0.6%
|
|
| Sysmiss | 1045 |