| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 799 |
10.6%
|
| 2 | 1 | 1104 |
14.6%
|
| 3 | 2 | 1331 |
17.6%
|
| 4 | 3 or more | 4334 |
57.3%
|
| Sysmiss | 363 |