| Value | Category | Cases | |
|---|---|---|---|
| 0 | 36 |
21.6%
|
|
| 1 | 82 |
49.1%
|
|
| 2 | 33 |
19.8%
|
|
| 3 | 9 |
5.4%
|
|
| 4 | 6 |
3.6%
|
|
| 12 | 1 |
0.6%
|
|
| Sysmiss | 138 |