| Value | Category | Cases | |
|---|---|---|---|
| 0 | 262 |
27.4%
|
|
| 1 | 61 |
6.4%
|
|
| 2 | 630 |
66%
|
|
| 3 | 2 |
0.2%
|
|
| Sysmiss | 996 |