| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 181 |
10%
|
| 2 | 1 | 191 |
10.5%
|
| 3 | 2 | 268 |
14.7%
|
| 4 | 3 or more | 1177 |
64.8%
|
| Sysmiss | 55 |