| Value | Category | Cases | |
|---|---|---|---|
| 0 | 27 |
7.6%
|
|
| 1 | 1 |
0.3%
|
|
| 2 | 21 |
5.9%
|
|
| 3 | 308 |
86.3%
|
|
| Sysmiss | 1894 |