| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1560 |
76.4%
|
| 2 | 1-2 | 134 |
6.6%
|
| 3 | 3-4 | 73 |
3.6%
|
| 4 | 5-6 | 42 |
2.1%
|
| 5 | 7 | 232 |
11.4%
|
| Sysmiss | 30 |