| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 202 |
5.4%
|
| 2 | 1 | 419 |
11.1%
|
| 3 | 2 | 625 |
16.6%
|
| 4 | 3 or more | 2527 |
67%
|
| Sysmiss | 33 |