| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 72 |
7.1%
|
| 2 | 1 | 112 |
11.1%
|
| 3 | 2 | 139 |
13.7%
|
| 4 | 3 or more | 689 |
68.1%
|
| Sysmiss | 18 |