| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 3109 |
94.3%
|
| 2 | 1-2 | 113 |
3.4%
|
| 3 | 3-4 | 25 |
0.8%
|
| 4 | 5-6 | 18 |
0.5%
|
| 5 | 7 | 31 |
0.9%
|
| Sysmiss | 17 |