| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 479 |
22.6%
|
| 1 | One | 839 |
39.6%
|
| 2 | Two | 455 |
21.5%
|
| 3 | Three | 207 |
9.8%
|
| 4 | Four | 50 |
2.4%
|
| 5 | Five or more | 91 |
4.3%
|
| Sysmiss | 1 |