| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
0.7%
|
|
| 1 | 370 |
20.6%
|
|
| 2 | 228 |
12.7%
|
|
| 3 | 1183 |
65.9%
|
|
| Sysmiss | 8 |