| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing | 0 |
0%
|
| 1 | One | 122 |
4.2%
|
| 2 | Two | 331 |
11.4%
|
| 3 | Three | 575 |
19.9%
|
| 4 | Four or more | 1865 |
64.5%
|
| Sysmiss | 94 |