| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 3331 |
6%
|
| 2 | 1 | 4732 |
8.5%
|
| 3 | 2 | 9111 |
16.3%
|
| 4 | 3 or more | 38731 |
69.3%
|
| Sysmiss | 1076 |