| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1810 |
69.3%
|
| 2 | 1-2 | 457 |
17.5%
|
| 3 | 3-4 | 143 |
5.5%
|
| 4 | 5-6 | 77 |
2.9%
|
| 5 | 7 | 124 |
4.7%
|
| Sysmiss | 10 |