| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 133 |
9.3%
|
| 2 | 1 | 143 |
10%
|
| 3 | 2 | 207 |
14.5%
|
| 4 | 3 or more | 946 |
66.2%
|
| Sysmiss | 43 |