| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 265 |
9.2%
|
| 2 | 1 | 535 |
18.5%
|
| 3 | 2 | 551 |
19.1%
|
| 4 | 3 or more | 1539 |
53.3%
|
| Sysmiss | 34 |