| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1310 |
59.6%
|
| 2 | 1-2 | 448 |
20.4%
|
| 3 | 3-4 | 191 |
8.7%
|
| 4 | 5-6 | 85 |
3.9%
|
| 5 | 7 | 165 |
7.5%
|
| Sysmiss | 21 |