| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 132 |
10.6%
|
| 2 | 1 | 164 |
13.2%
|
| 3 | 2 | 209 |
16.8%
|
| 4 | 3 or more | 737 |
59.3%
|
| Sysmiss | 35 |