| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 3653 |
88.9%
|
| 2 | 1-2 | 285 |
6.9%
|
| 3 | 3-4 | 77 |
1.9%
|
| 4 | 5-6 | 28 |
0.7%
|
| 5 | 7 | 68 |
1.7%
|
| Sysmiss | 37 |