| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1-3 | 10900 |
37.4%
|
| 2 | 4-6 | 12683 |
43.5%
|
| 3 | 7-9 | 4628 |
15.9%
|
| 4 | 10+ | 940 |
3.2%
|
| Sysmiss | 4043 |