| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 63 |
6.4%
|
| 2 | 1 | 86 |
8.7%
|
| 3 | 2 | 145 |
14.7%
|
| 4 | 3 or more | 693 |
70.2%
|
| Sysmiss | 33 |