| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 260 |
7.7%
|
| 2 | 1 | 303 |
8.9%
|
| 3 | 2 | 583 |
17.2%
|
| 4 | 3 or more | 2245 |
66.2%
|
| Sysmiss | 246 |