| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 2013 |
53%
|
| 2 | 1 - 2 | 777 |
20.5%
|
| 3 | 3 - 4 | 359 |
9.5%
|
| 4 | 5 - 6 | 187 |
4.9%
|
| 5 | 7 | 459 |
12.1%
|
| Sysmiss | 66 |