| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 84 |
9%
|
| 2 | 1 | 93 |
10%
|
| 3 | 2 | 123 |
13.2%
|
| 4 | 3 or more | 634 |
67.9%
|
| Sysmiss | 17 |