| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1691 |
79.6%
|
| 2 | 1-2 | 199 |
9.4%
|
| 3 | 3-4 | 104 |
4.9%
|
| 4 | 5-6 | 58 |
2.7%
|
| 5 | 7 | 72 |
3.4%
|
| Sysmiss | 9 |