| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1704 |
77.2%
|
|
| 1 | 354 |
16%
|
|
| 2 | 89 |
4%
|
|
| 3 | 41 |
1.9%
|
|
| 4 | 18 |
0.8%
|
|
| Sysmiss | 3016 |