| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 636 |
33.1%
|
| 2 | 1 to 2 | 578 |
30.1%
|
| 3 | 3 to 4 | 241 |
12.6%
|
| 4 | 5 to 6 | 109 |
5.7%
|
| 5 | 7 | 355 |
18.5%
|
| Sysmiss | 74 |