| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 76 |
6.9%
|
| 2 | 1 | 87 |
7.9%
|
| 3 | 2 | 164 |
14.9%
|
| 4 | 3 or more | 772 |
70.2%
|
| Sysmiss | 35 |