| Value | Category | Cases | |
|---|---|---|---|
| 0 | 190 |
63.8%
|
|
| 1 | 85 |
28.5%
|
|
| 2 | 20 |
6.7%
|
|
| 3 | 2 |
0.7%
|
|
| 4 | 1 |
0.3%
|
|
| Sysmiss | 494 |