| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 330 |
12.6%
|
| 2 | 1 | 678 |
25.8%
|
| 3 | 2 | 542 |
20.6%
|
| 4 | 3 or more | 1077 |
41%
|
| Sysmiss | 117 |