| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 59 |
6.3%
|
| 2 | 1 | 105 |
11.2%
|
| 3 | 2 | 119 |
12.7%
|
| 4 | 3 or more | 652 |
69.7%
|
| Sysmiss | 22 |