| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 206 |
9.6%
|
| 2 | 1 | 411 |
19.1%
|
| 3 | 2 | 387 |
18%
|
| 4 | 3 or more | 1150 |
53.4%
|
| Sysmiss | 57 |