| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 112 |
7.8%
|
| 2 | 1 | 168 |
11.7%
|
| 3 | 2 | 186 |
12.9%
|
| 4 | 3 or more | 972 |
67.6%
|
| Sysmiss | 43 |