| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 102 |
5%
|
| 2 | 1 | 281 |
13.8%
|
| 3 | 2 | 337 |
16.6%
|
| 4 | 3 or more | 1313 |
64.6%
|
| Sysmiss | 50 |