| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 181 |
6.8%
|
| 2 | 1 | 216 |
8.1%
|
| 3 | 2 | 484 |
18.1%
|
| 4 | 3 or more | 1797 |
67.1%
|
| Sysmiss | 52 |