| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1936 |
87.1%
|
| 2 | 1 | 152 |
6.8%
|
| 3 | 2 | 67 |
3%
|
| 4 | 3-5 | 40 |
1.8%
|
| 5 | 6-10 | 18 |
0.8%
|
| 6 | > 10 | 11 |
0.5%
|
| Sysmiss | 2 |