| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing | 0 |
0%
|
| 0 | None | 888 |
30.7%
|
| 1 | One | 1185 |
41%
|
| 2 | Two | 540 |
18.7%
|
| 3 | Three or more | 280 |
9.7%
|
| Sysmiss | 94 |