| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 121 |
9.7%
|
| 2 | 1 | 153 |
12.2%
|
| 3 | 2 | 184 |
14.7%
|
| 4 | 3 or more | 791 |
63.3%
|
| Sysmiss | 27 |