| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 129 |
5.1%
|
| 2 | 1 | 327 |
12.8%
|
| 3 | 2 | 446 |
17.5%
|
| 4 | 3 or more | 1651 |
64.7%
|
| Sysmiss | 10 |