| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 155 |
6.3%
|
| 2 | 1 | 200 |
8.1%
|
| 3 | 2 | 262 |
10.6%
|
| 4 | 3 or more | 1849 |
75%
|
| Sysmiss | 42 |