| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 1236 |
41.3%
|
| 1 | One | 1187 |
39.7%
|
| 2 | Two | 402 |
13.4%
|
| 3 | Three or more | 167 |
5.6%
|
| Sysmiss | 7 |