| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 243 |
4.3%
|
| 2 | 1 | 437 |
7.8%
|
| 3 | 2 | 549 |
9.8%
|
| 4 | 3 or more | 4398 |
78.2%
|
| Sysmiss | 30 |