| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 49 |
2.7%
|
| 2 | 1 | 141 |
7.7%
|
| 3 | 2 | 162 |
8.8%
|
| 4 | 3 or more | 1480 |
80.8%
|
| Sysmiss | 18 |