| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 6580 |
67%
|
| 2 | 1 to 2 | 1507 |
15.3%
|
| 3 | 3 to 4 | 625 |
6.4%
|
| 4 | 5 to 6 | 430 |
4.4%
|
| 5 | 7 | 680 |
6.9%
|
| Sysmiss | 168 |