| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 126 |
4.8%
|
| 2 | 1 | 149 |
5.7%
|
| 3 | 2 | 232 |
8.9%
|
| 4 | 3 or more | 2102 |
80.6%
|
| Sysmiss | 19 |