| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 115 |
4.3%
|
| 2 | 1 | 325 |
12.2%
|
| 3 | 2 | 478 |
18%
|
| 4 | 3 or more | 1743 |
65.5%
|
| Sysmiss | 14 |