| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing | 0 |
0%
|
| 1 | One | 274 |
9.5%
|
| 2 | Two | 789 |
27.3%
|
| 3 | Three | 920 |
31.8%
|
| 4 | Four or more | 910 |
31.5%
|
| Sysmiss | 94 |