| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1592 |
37.9%
|
| 2 | One | 716 |
17%
|
| 3 | Two | 565 |
13.4%
|
| 4 | Three or more | 1330 |
31.6%
|
| Sysmiss | 23 |