| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 91 |
7.1%
|
| 2 | 1 | 84 |
6.6%
|
| 3 | 2 | 164 |
12.8%
|
| 4 | 3 or more | 943 |
73.6%
|
| Sysmiss | 17 |