| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1523 |
68.4%
|
| 2 | 1-2 | 339 |
15.2%
|
| 3 | 3-4 | 135 |
6.1%
|
| 4 | 5-6 | 34 |
1.5%
|
| 5 | 7 | 197 |
8.8%
|
| Sysmiss | 40 |