| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. none | 1 |
2.6%
|
| 2 | 2. one | 1 |
2.6%
|
| 3 | 3. two | 16 |
42.1%
|
| 4 | 4. three or more | 20 |
52.6%
|
| Sysmiss | 61 |