| Value | Category | Cases | |
|---|---|---|---|
| 0 | 138 |
63.6%
|
|
| 1 | 61 |
28.1%
|
|
| 2 | 12 |
5.5%
|
|
| 3 | 4 |
1.8%
|
|
| 4 | 2 |
0.9%
|
|
| Sysmiss | 3986 |