| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 118 |
6.7%
|
| 2 | 1 | 166 |
9.5%
|
| 3 | 2 | 188 |
10.7%
|
| 4 | 3 or more | 1278 |
73%
|
| Sysmiss | 29 |