| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 366 |
6.5%
|
| 2 | 1 | 418 |
7.4%
|
| 3 | 2 | 553 |
9.9%
|
| 4 | 3 or more | 4274 |
76.2%
|
| Sysmiss | 50 |