| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 150 |
5.8%
|
| 2 | 1 | 402 |
15.6%
|
| 3 | 2 | 513 |
19.9%
|
| 4 | 3 or more | 1514 |
58.7%
|
| Sysmiss | 32 |