| Value | Category | Cases | |
|---|---|---|---|
| 0 | 208 |
61.9%
|
|
| 1 | 104 |
31%
|
|
| 2 | 17 |
5.1%
|
|
| 3 | 5 |
1.5%
|
|
| 4 | 1 |
0.3%
|
|
| 7 | 1 |
0.3%
|
|
| Sysmiss | 6843 |