| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 182 |
6.2%
|
| 2 | 1 | 273 |
9.4%
|
| 3 | 2 | 507 |
17.4%
|
| 4 | 3 or more | 1956 |
67%
|
| Sysmiss | 44 |