| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 3630 |
77.6%
|
| 2 | 1-2 | 449 |
9.6%
|
| 3 | 3-4 | 165 |
3.5%
|
| 4 | 5-6 | 83 |
1.8%
|
| 5 | 7 | 351 |
7.5%
|
| Sysmiss | 20 |