| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 339 |
9%
|
| 2 | 1 | 476 |
12.6%
|
| 3 | 2 | 612 |
16.2%
|
| 4 | 3 or more | 2348 |
62.2%
|
| Sysmiss | 94 |