| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
8.2%
|
|
| 1 | 190 |
74.5%
|
|
| 2 | 38 |
14.9%
|
|
| 3 | 5 |
2%
|
|
| 4 | 1 |
0.4%
|
|
| Sysmiss | 2660 |